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f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.3.2 Method of measurement | 1 The measurement should always be performed in the absence of modulation. 2 The EUT should be mounted directly onto the turntable, whose surface is at the height (above the ground plane) specified in the relevant Standard, in an orientation which matches that of its normal usage (as stated by the manufacturer). The no... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.3.3 Procedure for completion of the results sheets | There are two values that need to be derived before the overall results sheet (table 16) can be completed. These are the overall measurement correction and the expanded uncertainty values. Guidance for deriving the values of the correction factors is given in table 14. When the correction factors have been derived, the... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.3.4 Log book entries | Table 15: Log book results sheet EFFECTIVE RADIATED POWER Date: PAGE 1 of 2 Temperature:..................................... °°°°C Humidity: ................ % Frequency: ................ MHz Manufacturer of EUT:....................... Type No: ................. Serial No:................... Bandwidth of Receiving Dev... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.3.5 Statement of results | The results should be presented in tabular form as shown in table 16. Table 16: Overall results sheet EFFECTIVE RADIATED POWER Date: PAGE 1 of 1 Vertical polarization Horizontal polarization Effective radiated power dBm Effective radiated power dBm Expanded uncertainty (95 %) dB Expanded uncertainty (95 %) dB |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.4 Stripline | The effective radiated power test is not normally carried out in a stripline test facility. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5 Test Fixture | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5.1 Apparatus required | - Digital voltmeter; - Ferrite beads; - 10 dB attenuator; - Power supply; - Connecting cables; - Test Fixture; - Climatic facility; - Accredited Free-Field Test Site; ETSI ETSI TR 100 027 V1.2.1 (1999-12) 72 - Receiving device (measuring receiver or spectrum analyser). The type and serial numbers of all items of test e... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5.2 Method of measurement | 1 The measurement should always be performed in the absence of modulation. 2 The Test Fixture should have been verified for use, with the particular type of EUT, on an accredited Free-Field Test Site in accordance with clause 6. Four different measurements of the value of effective radiated power should have been taken... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5.3 Procedure for completion of the results sheets | Because the measurement of effective radiated power in a Test Fixture is a relative measurement with all circuit components remaining present during all the tests, no corrections to measured values are required. However, a calculation does have to be performed within the overall results sheet (table 18) in order to rel... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5.4 Log book entries | Table 17: Log book results sheet EFFECTIVE RADIATED POWER Date: PAGE 1 of 2 Temperature:.................................. °°°°C Humidity: ................ % Frequency: ............................MHz Manufacturer of EUT: .................... Type No: ................. Serial No:............................... Bandwidt... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.2.5.5 Statement of results | The results are presented in tabular form as shown in table 18. ETSI ETSI TR 100 027 V1.2.1 (1999-12) 75 Table 18: Overall results sheet EFFECTIVE RADIATED POWER Date: PAGE 1 of 1 Temperature/Voltage T(normal) T(high) T(low) V(normal) V(high) V(low) V(high) V(low) Effective radiated power dBm Expanded uncertainty (95 %... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3 Radiated spurious emissions (30 MHz to 4 GHz or 12,75 GHz) | Definition Spurious emissions are emissions at frequencies other than those of the carrier and sidebands associated with normal modulation. The level of a spurious emission should be measured as either: • the effective radiated power of the cabinet and integral antenna together, in the case of EUTs not fitted with an e... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1 Anechoic Chamber | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1.1 Apparatus required | - Digital voltmeter; - Ferrite beads; - 10 dB attenuators; - Power supply; - Connecting cables; - Anechoic Chamber; - Shielded chamber (Non-Anechoic); - Broadband test antenna (biconic, typically 30 MHz to 200 MHz, LPDAs, typically 200 MHz to 1 GHz and 1 GHz to 12,75 GHz or waveguide horns, typically 1 GHz to 12,75 GHz... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1.2 Method of measurement | Characterization The process of characterization should take place within a shielded, reflecting enclosure where no absorbing material is present. C1 The EUT should be mounted on a non-conducting turntable of low relative dielectric constant (preferably less than 1,5) material(s) in a shielded enclosure. (i.e. no absor... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1.3 Procedure for completion of the results sheets | There are several values that remain to be entered in the overall results sheet (table 21). These are the overall spurious emission levels (corrected for the systematic offsets involved in the measurement) and the expanded measurement uncertainty. Guidance for deriving the values of the correction factors is given in t... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1.4 Log book entries | Table 20: Log book results sheet SPURIOUS EMISSIONS Date: PAGE 1 of 2 Temperature:.................................°°°°C Humidity: ................ % Frequency:......................... MHz Manufacturer of EUT: ................... Type No: ................. Serial No: ........................... Bandwidth of Receiving ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.1.5 Statement of results | The results should be presented in tabular form as shown in table 21. Table 21: Overall results sheet SPURIOUS EMISSIONS Date: PAGE 1 of 1 Frequency (MHz) Spurious emission ERP (dBm) Expanded uncertainty (95 %) dB dB dB dB dB dB dB |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.2 Anechoic Chamber with a ground plane | For Spurious emission testing in an Anechoic Chamber with a ground plane reference should be made to the Open Area Test Site test method (subclause 7.2.3.3), since the procedures are identical. The test equipment set-up for the EUT measurement is shown in figure 46 whilst the set-up for the substitution part of the tes... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3 Open Area Test Site | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3.1 Apparatus required | - Digital voltmeter; - Ferrite beads; - 10 dB Attenuators; - Power supply; - Connecting cables; - Open Area Test Site; - Shielded chamber (Non-Anechoic); - Broadband test antenna (biconic, typically 30 MHz to 200 MHz, LPDAs, typically 200 MHz to 1 GHz and 1 GHz to 12,75 GHz or waveguide horns, typically 1 GHz to 12,75 ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3.2 Method of measurement | Characterization The process of characterization should take place within a shielded, reflecting enclosure where no absorbing material is present. C1 The EUT should be mounted on a non-conducting turntable of low relative dielectric constant (preferably less than 1,5) material(s) in a shielded enclosure. (i.e. no absor... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3.3 Procedure for completion of the results sheets | There are several values that remain to be entered in the overall results sheet (table 24). These are the overall spurious emission levels (corrected for the systematic offsets involved in the measurement) and the expanded measurement uncertainty. Initially, the overall correction factors for each of the two polarizati... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3.4 Log book entries | Table 23: Log book results sheet SPURIOUS EMISSIONS Date: PAGE 1 of 2 Temperature:........................... °°°°C Humidity:...........% Frequency:......................... MHz Manufacturer of EUT: ............. Type No:............ Serial No: ........................... Bandwidth of Receiving Device: ............Hz R... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.3.5 Statement of results | The results should be presented in tabular form as shown in table 24. Table 24: Overall results sheet SPURIOUS EMISSIONS Date: PAGE 1 of 1 Frequency (MHz) Spurious emission ERP (dBm) Expanded uncertainty (95 %) dB dB dB dB dB dB dB |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.4 Stripline | The spurious emission test is not normally carried out in a Stripline test facility. ETSI ETSI TR 100 027 V1.2.1 (1999-12) 93 |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.3.5 Test Fixture | The spurious emission test is not normally carried out in a Test Fixture. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4 Adjacent channel power | Definition The adjacent channel power is that part of the total power output of a transmitter under defined conditions of modulation, which falls within a specified passband centred on the nominal frequency of either of the adjacent channels. This power is the sum of the mean power produced by the modulation, hum and n... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.1 Anechoic Chamber | The adjacent channel power test is not normally carried out in an Anechoic Chamber. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.2 Anechoic Chamber with a ground plane | The adjacent channel power test is not normally carried out in an Anechoic Chamber with a ground plane. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.3 Open Area Test Site | The adjacent channel power test is not normally carried out in an Open Area Test Site. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.4 Stripline | The adjacent channel power test is not normally carried out in a Stripline test facility. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5 Test Fixture | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5.1 Apparatus required | - Digital voltmeter; - Ferrite beads; - 10 dB attenuator; - Power supply; - Connecting cables; - Test Fixture; - Climatic facility; - Accredited Free-Field Test Site; - Power measuring receiver (as defined in ETR 027 [5]). Additional requirements for analogue speech: - AF source; - SINAD meter (incorporating telephone ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5.2 Method of measurement | NOTE 1: In the following test method, an adjacent channel power meter is assumed. For cases in which a spectrum analyser is used, appropriate changes to the method, results and calculations should be made. 1 The Test Fixture should have been verified for use, with the particular type of EUT, on an accredited Free-Field... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5.3 Procedure for completion of the results sheets | At the end of the test method, the log book results sheet (table 26) will be complete apart from entries in the 15 "Overall level" cells. These are calculated by adding the received power level to the attenuator setting for the particular frequency of test. NOTE: The attenuator setting is always to be taken as positive... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5.4 Log book entries | Table 26: Log book results sheet ADJACENT CHANNEL POWER TEST Date: PAGE 1 of 2 Temperature:.........°°°°C Humidity:...............% Frequency:.............MHz Bandwidth of Receiving Device:...................Hz Manufacturer of EUT:..................... Type No:.............. Serial No:.................. Test equipment ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 7.2.4.5.5 Statement of results | The results are presented in tabular form as shown in table 27. Table 27: Overall results sheet ADJACENT CHANNEL POWER TEST Date: PAGE 1 of 1 Temperature: T(normal) T(high) T(low) Voltage: V(normal) V(high) V(low) V(high) V(low) Adjacent channel power (LOW): dB Adjacent channel power (HIGH): dB Expanded uncertainty (95... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8 Receiver measurements | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1 Conducted tests | For all measurements which are applicable to EUTs capable of reception of analogue speech, a psophometric weighting network followed by the SINAD meter (or a distortion factor meter incorporating a 1 000 Hz band-stop filter) should be connected to the receiver output terminals via an audio frequency load or by an acous... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1 Measured usable sensitivity | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.1 Measured usable sensitivity for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.1.1 Definition | The measured usable sensitivity for analogue speech of the receiver is the minimum level of signal, expressed as an emf, at the nominal frequency of the receiver and with specified test modulation which produces through a psophometric weighting network a SINAD ratio of 20 dB. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.1.2 Method of measurement | Signal generator Receiver under test AF load/ acoustic coupler Psophometric weighting network and SINAD meter Figure 53: Measurement arrangement a) A signal generator should be connected to the receiver input. The signal generator should be at the nominal frequency of the receiver and should have test modulation A-M1. ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.2 Measured usable sensitivity for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.2.1 Definition | The measured usable sensitivity for bit stream of the receiver is the minimum level of signal expressed as an emf, at the nominal frequency of the receiver modulated with specified test signal which produces, after demodulation, a data signal with a bit error ratio of 10-2. NOTE: A BER of 10-2 is the value used in ETS ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator Receiver under test Figure 54: Measurement arrangement a) A signal generator should be connected to the receiver input. The signal generator should be at the nominal frequency of the receiver and should be modulated by the test modulation D-... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.3 Measured usable sensitivity for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.3.1 Definition | The measured usable sensitivity for messages of the receiver is the minimum level of signal, expressed as an emf, at the nominal frequency of the receiver modulated by a test signal which produces, after demodulation, a message acceptance ratio of 80 %. |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.1.3.2 Method of measurement | Message Signal generator Receiver under test Termination Response measuring test set generator Figure 55: Measurement arrangement ETSI ETSI TR 100 027 V1.2.1 (1999-12) 101 a) A signal generator should be connected to the receiver input. The signal generator should be at the nominal frequency of the receiver and should ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2 Co-channel rejection | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.1 Co-channel rejection for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.1.1 Definition | The co-channel rejection for analogue speech is a measure of the capability of the receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted modulated signal also at the nominal frequency. It is specified as the ratio in decibels of t... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.1.2 Method of measurement | Signal generator A Signal generator B Combiner Receiver under test Psophometric weighting network and SINAD meter AF load/ acoustic coupler Figure 56: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal gene... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.2 Co-channel rejection for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.2.1 Definition | The co-channel rejection for bit stream is a measure of the capability of the receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted modulated signal also at the nominal frequency. It is specified as the ratio in decibels of the le... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 57: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal generator A, sh... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.3 Co-channel rejection for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.3.1 Definition | The co-channel rejection for messages is a measure of the capability of the receiver to receive a wanted signal at the nominal frequency modulated by a test signal without exceeding a given degradation due to the presence of an unwanted modulated signal also at the nominal frequency. It is specified as the ratio in dec... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.2.3.2 Method of measurement | Message generator Response measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 58: Measurement arrangement a) Two signal generators, A and B should be connected to the receiver via a combining network. The wanted signal, represented by signal generator A, should be a... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3 Adjacent channel selectivity | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.1 Adjacent channel selectivity for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.1.1 Definition | The adjacent channel selectivity for analogue speech is a measure of the capability of the receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted modulated signal which differs in frequency from the wanted signal by an amount equal... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.1.2 Method of measurement | Signal generator A Signal generator B Combiner Receiver under test AF load/ acoustic coupler Psophometric weighting network and SINAD meter Figure 59: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal gene... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.2 Adjacent channel selectivity for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.2.1 Definition | The adjacent channel selectivity for bit stream is a measure of the capability of the receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted modulated signal which differs in frequency from the wanted signal by an amount equal to t... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 60: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal generator A, sh... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.3 Adjacent channel selectivity for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.3.1 Definition | The adjacent channel selectivity for messages is a measure of the capability of the receiver to receive a wanted signal at the nominal frequency modulated by a test signal without exceeding a given degradation due to the presence of an unwanted modulated signal which differs in frequency from the wanted signal by an am... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.3.3.2 Method of measurement | Message generator Response measuring test set Termination Signal generator A Signal generator B Combiner Receiver under test Figure 61: Measurement arrangement a) Two signal generators, A and B should be connected to the receiver via a combining network. The wanted signal, represented by signal generator A, should be a... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4 Spurious response immunity | The particular method to be used when performing the calculation of the limited frequency range and the actual spurious frequencies should be included in the appropriate ETS or EN. ETSI ETSI TR 100 027 V1.2.1 (1999-12) 107 |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.1 Spurious response immunity for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.1.1 Definition | The spurious response immunity for analogue speech is a measure of the capability of the receiver to discriminate between the wanted modulated signal at the nominal frequency and an unwanted signal at any other frequency at which a response is obtained. It is specified as the ratio in decibels of the level of the unwan... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.1.2 Method of measurement | Signal generator A Signal generator B Combiner Receiver under test AF load/ acoustic coupler Psophometric weighting network and SINAD meter Figure 62: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal gene... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.2 Spurious response immunity for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.2.1 Definition | The spurious response immunity for bit stream is a measure of the capability of the receiver to discriminate between the wanted modulated signal at the nominal frequency and an unwanted signal at any other frequency at which a response is obtained. It is specified as the ratio in decibels of the level of the unwanted s... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 63: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal generator A, sh... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.3 Spurious response immunity for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.3.1 Definition | The spurious response immunity for messages is a measure of the capability of the receiver to discriminate between the wanted signal modulated by a test signal at the nominal frequency and an unwanted signal at any other frequency at which a response is obtained. It is specified as the ratio in decibels of the level of... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.4.3.2 Method of measurement | Message generator Response measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 64: Measurement arrangement a) Two signal generators, A and B should be connected to the receiver via a combining network. The wanted signal, represented by signal generator A, should be a... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5 Intermodulation immunity | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.1 Intermodulation immunity for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.1.1 Definition | The intermodulation immunity for analogue speech is a measure of the capability of a receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of two or more unwanted signals with a specific frequency relationship to the wanted signal frequency. For... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.1.2 Method of measurement | Signal generator C Combiner Psophometric weighting network and SINAD meter Signal generator A Signal generator B Receiver under test AF load/ acoustic coupler Figure 65: Measurement arrangement a) Three signal generators, A, B and C should be connected to the receiver via a combining network. The wanted signal, represe... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.2 Intermodulation immunity for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.2.1 Definition | The intermodulation immunity for bit stream is a measure of the capability of a receiver to receive a wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of two or more unwanted signals with a specific frequency relationship to the wanted signal frequency. ETSI ETS... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator A Receiver under test Signal generator C Combiner Signal generator B Figure 66: Measurement arrangement a) Three signal generators, A, B and C should be connected to the receiver via a combining network. The wanted signal, represented by sig... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.3 Intermodulation immunity for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.3.1 Definition | The intermodulation immunity for messages is a measure of the capability of a receiver to receive a wanted signal at the nominal frequency modulated by a test signal without exceeding a given degradation due to the presence of two or more unwanted signals with a specific frequency relationship to the wanted signal freq... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.5.3.2 Method of measurement | Message generator Response measuring test set Termination Signal generator A Receiver under test Signal generator C Combiner Signal generator B Figure 67: Measurement arrangement a) Three signal generators, A, B and C should be connected to the receiver via a combining network. The wanted signal, represented by signal ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6 Blocking immunity or desensitization | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.1 Blocking immunity or desensitization for analogue speech | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.1.1 Definition | Blocking immunity or desensitization for analogue speech is a measure of the capability of the receiver to receive the wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted unmodulated high input signal. It is specified as the ratio in decibels of the ... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.1.2 Method of measurement | Signal generator A Signal generator B Combiner Receiver under test AF load/ acoustic coupler Psophometric weighting network and SINAD meter Figure 68: Measurement Arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal gene... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.2 Blocking immunity for bit stream | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.2.1 Definition | Blocking immunity for bit stream is a measure of the capability of the receiver to receive the wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted unmodulated high input signal. It is specified as the ratio in decibels of the level of the unwanted si... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.2.2 Method of measurement | Bit stream generator Bit error measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 69: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal generator A, sh... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.3 Blocking immunity for messages | |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.3.1 Definition | Blocking immunity for messages is a measure of the capability of the receiver to receive the wanted modulated signal at the nominal frequency without exceeding a given degradation due to the presence of an unwanted unmodulated high input signal. It is specified as the ratio in decibels of the level of the unwanted sign... |
f968701d34274f489f6c9983c6c42197 | 100 027 | 8.1.6.3.2 Method of measurement | Message generator Response measuring test set Termination Signal generator A Receiver under test Signal generator B Combiner Figure 70: Measurement arrangement a) Two signal generators A and B should be connected to the receiver input via a combining network. The wanted signal, represented by signal generator A, should... |
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