IFR NAVAIR NAV-750 Скачать руководство пользователя страница 5 | Manualshive

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NAVAIR 17—2OAX—737

Frequency: 108.000 MHz

Tolerance: 75 dB

below carrier

@

±12.5kHz,

and ~83dB below carrier

@

±25.0kHz in 300 Hz

resolution bandwidth

NAV-750A only
Frequency: 334.700 MHz

Tolerance: 66 dB

below carrier

@

±12.5kHz,

and

77

dB below carrier

@

±25.0kHz in 300 Hz

resolution bandwidth

NAV—750B only

Frequency: 334.700 MHz

Tolerance: >75 dB

below carrier

@

±12.5

kHz,

and ~83 dB below carrier

@

±25.0

kHz in 300 Hz

resolution bandwidth

NAV—750 only

Frequency: 108.000

MHz

Tolerance: 14 dB

below carrier @ ±20kHz

in 300 Hz resolution bandwidth

Frequency: 334.700 MHz

Tolerance: 68 dB

below carrier

@ ±20kHz

in 300 Hz resolution bandwidth

NAV-750A and NAV-750B

Frequency: 108.000 MHz
Tolerance: ~78 dB

below carrier

@ ±15

kHz

in 300 Hz resolution bandwidth

Frequency: 334.700 MHz
Tolerance: >74 dB

below carrier @ ±20

kHz

in 300 Hz resolution bandwidth

NAV-750A only
Frequency: 130.000 MHz
Tolerance: .78 dB

below carrier

@ ±15kHz

in 300 Hz resolution bandwidth

NAV-750 and NAV-750B
Frequency: 108.000 MHz
Tolerance: ~80 dB

below carrier

@ ±100kHz

in 1 kHz resolution bandwidth

TI

Characteristics

Performance

Specifications

Test

Method

NAV-750A and NAV-750B

Single—sideband noise

Broadband noise

Measured with a spectrum

analyzer.

Measured with a spectrum

analyzer.

3

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Содержание NAVAIR NAV-750

Страница 1: ...ED FOROFFICIAL USE OR FOR ADMINISTRATIVEOR OPERATIONAL PURPOSES ONLY OTHER REQUESTS FOR THIS DOCUMENT SHALL BE REFERRED TO NAVY MEASUREMENT SCIENCE DIRECTORATE NAVAL WARFARE ASSESSMENTDIVISION P0 BOX5...

Страница 2: ...sts Attenuator Linearitv Tests DEMOD Tones and DC OFFSET Tests Tone Frequency Tests Tone Distortion Tests Percent Amplitude Modulation of Tones and Modulation Meter Tests RF Level Meter Tests VOR Bear...

Страница 3: ...nce 1 5 dB 6 dBm to 50 dBm 2 5 dB 51 dBm to 120 dBm Range 6 to 50 dBm Tolerance 1 5 dB Range 51 to 120 dBm Tolerance 2 5 dB Tone frequencies 30 90 150 1020 and 9960 Hz DC offset 40 mV to 40 mV dc Tone...

Страница 4: ...335 000 MHz 20 dBc from 70 000 to 79 000 MHz NAV 750B only NAV 750 only Frequency 108 000 MHz Tolerance 68 dB below carrier 12 5 kHz and 71 dB below carrier 25 0 kHz in 300 Hz resolution bandwidth Fr...

Страница 5: ...ion bandwidth Frequency 334 700 MHz Tolerance 68 dB below carrier 20 kHz in 300 Hz resolution bandwidth NAV 750A and NAV 750B Frequency 108 000 MHz Tolerance 78 dB below carrier 15 kHz in 300 Hzresolu...

Страница 6: ...MIL C 71B gage kit SECTION 2 EQUIPMENT REQUIREMENTS NOTE Minimum use specifications are the principal parameters required for performance of the calibration and are included to assist in the selectio...

Страница 7: ...of measuring distortion down to 0 1 with 0 01 resolution No known substitute Range 50 MHz to 1 2 GHz Resolution 300 Hz mm Dynamic range 85 dB Range 0 to 0 197 inch Uncertainty 0 0025 inch MIL C 71B T...

Страница 8: ...Meter function switch to MASTER MOD control to 1020 Hz indent tone MOD control to 9960 HzFM tone MOD control to 30 Hz tone MOD control to 01 05 degree bearing switch to LOC DDM switch to LOC variable...

Страница 9: ...999892 and 108 000108 MHz 4 1 6 Set the TI FREQUENCY MHz switches to 130 000 and verify that the electronic counter indicates between 129 999870 and 130 000130 MHz 4 1 7 Set the TI FREQUENCY MHzswitch...

Страница 10: ...switches to the following settings At each setting verifythat the power meter indicates within the tolerance limits listed TI FREQUENCY MHz Switch Setting Power Meter Tolerance Limits dBm 115 000 125...

Страница 11: ...librator INSTR PRESET key Blue key AUTOMATIC OPERATION key and ensure that the signal generatorcalibrator is in the FREQ measurement mode and tunes to the TI FREQUENCY MHz switches setting Set the sig...

Страница 12: ...z tone and that the DMM indicates between 40 0 and 40 0 mV dc 4 4 3 4 Set the TI LOC G S frequency switch to G S 4 4 3 5 Ensure that the TI frequency display indicates 334 700 and the G S mode indicat...

Страница 13: ...icates between 80 0 to 80 0 mV dc 4 4 3 23 Set the TI meter function and tone selector switch to 1300 Hz 4 4 3 24 Verify that the oscilloscope displays a 1300 Hz tone and that the DMM indicates betwee...

Страница 14: ...y that the electronic counter indicates between 149 97 and 150 03 Hz 4 5 11 Set the TI LOC G S frequency switch to LOC 4 5 12 Verify that the electronic counter indicates between 149 97 and 150 03 Hz...

Страница 15: ...off position 4 5 22 Verify that the electronic counter indicates between 29 994 and 30 006Hz 4 5 23 Set the TI 9960 FM tone modulation control to the CAL UNCALlamp off position the FREQUENCY MHz switc...

Страница 16: ...t of a 30 Hz fundamental as applicable 4 6 3 Verify that the distortion analyzer indicates 0 5 total harmonic distortion 4 6 4 Set the TI FREQUENCY MHz switches to 108 100 and set the G S DDM switch t...

Страница 17: ...t of a 400 Hzfundamental as applicable and verify that the distortion analyzer indicates 0 7 total harmonic distortion 4 6 24 Set the TI meter function and tone selector switch tol300 Hz 4 6 25 Set th...

Страница 18: ...z tone modulation control to the CAL UNCALlamp off position and the 9960 Hz tone modulation control to the CAL UNCALlamp off position 4 7 12 Activate the signal generatorcalibrator 300 Hz HP FILTER an...

Страница 19: ...Press the signal generatorcalibrator INSTR PRESET key Blue key AUTOMATIC OPERATION key and ensure that the signal generatorcalibrator is in the FREQ measurement mode and tunes to the TI FREQUENCY MHz...

Страница 20: ...9 4 8 6 Set the TI FREQUENCY MHz switches to 072 000 4 8 7 Verify that the TI meter needle is aligned over the RF Level vertical mark within 1 5 needle widths 4 8 8 Advance the TI FREQUENCY MHz switc...

Страница 21: ...tor T S indicates 270 00 0 05 4 9 15 Set the TI TO FROM switch to the TO position and press the 270 VOR bearing select pushbutton Ensure that the TI bearing display indicates 270 4 9 16 Verify that th...

Страница 22: ...d in step 4 11 4 is 2 75 mV rms 4 11 6 Disconnect the DMM from the TI NOTE Performthe appropriate Spectral Purity Tests subsection corresponding to the TI being calibrated 4 12 for NAV 750 4 13 for NA...

Страница 23: ...ndwidth to 10 Hz and the reference level and position controls as necessary for a single sideband noise measurement at 20 kHz from the TI 334 700 MHz carrier frequency 4 12 9 Verify that the single si...

Страница 24: ...his step 4 12 20 Set the TI frequency switches to 108 000 MHz 4 12 21 Set the spectrum analyzerfor a frequency span of 10 kHz div the resolution bandwidth to 300 Hz the video bandwidth to 300 Hz and t...

Страница 25: ...ry for a single sideband noise measurement at 20 kHz from the TI 334 700 MHz carrier frequency 4 13 9 Verify that the single sideband noise level is 74 dB below the carrier level 4 13 10 Set the TI fr...

Страница 26: ...en converting 300 Hz bandwidth data to 1 kHz bandwidth data subtract5 23 dB from the 300 Hz bandwidth data 4 13 22 Verify that the broadband noise is 82 dB below the TI 334 700 MHz carrier level See t...

Страница 27: ...nd its harmonics of all the selected TI frequencies are 30 dB below the carrier level TI FREQUENCY MHz Switches Setting 329 000 332 000 335 000 4 14 7 Set the TI FREQUENCY MHz switches to 070 000 4 14...

Страница 28: ...4 14 19 Verify that the harmonic spurious noise is 83 dB below the carrier level at 25 0 kHz from the TI 334 700 MHzcarrier frequency 4 14 20 Set the spectrum analyzer for a frequencyspan of 10 kHz di...

Страница 29: ...generator calibrator INSTR PRESET key Blue key AUTOMATIC OPERATION key and ensure that the signal generator calibrator is in the FREQ measurement mode and tunes to the TI FREQUENCY MHzswitches setting...

Страница 30: ...Hz MHz MHz 4 1 5 108 000 108 0 107 999892 to 108 000108 4 1 6 130 000 130 0 129 999870 to 130 000130 4 1 7 157 000 157 0 156 999843 to 157 000157 4 1 8 328 000 328 0 327 999672 to 328 000328 4 1 9 335...

Страница 31: ...40 0 38 5 to 41 5 50 50 0 48 5 to 51 5 60 60 0 57 5 to 62 5 70 70 0 67 5 to 72 5 80 80 0 77 5 to 82 5 90 90 0 87 5 to 92 5 100 100 0 97 5 to 102 5 4 4 DEMOD Tones and DC OFFS T Tests 4 4 3 3 90 Hzton...

Страница 32: ...Hz tone ck NA Displayed V dc mV dc DC offset 0 0 80 0 to 80 0 4 4 3 24 1300 Hz tone ck NA Displayed V dc mV dc DC offset 0 0 80 0 to 80 0 4 4 3 26 3000 Hz tone ck NA Displayed V dc mV dc DC offset 0 0...

Страница 33: ...90 ck 0 4 thd 4 6 9 90 ck 0 4 thd 4 6 12 150 ck 0 4 thd 4 6 14 150 ck 0 4 thd 4 6 17 30 Variable ck 0 5 thd 4 6 20 1020 ck 0 5 thd 4 6 23 400 ck 0 7 thd 4 6 25 1300 ck 0 7 thd 4 6 27 3000 ck 0 7 thd...

Страница 34: ...0 28 8 to 31 2 4 7 34 95 AM 400 Hz 95 0 92 15 to 97 85 4 7 35 0 100 Meter Scale ck 3 0 AM of step 4 7 34 4 7 37 95 AM 1300 Hz 95 0 92 15 to 97 85 4 7 40 95 AM 3000 Hz 95 0 92 15 to 97 85 4 8 RF Level...

Страница 35: ...0 4910 FROM 180 00 00000 005 4912 T090 900 9000 005 4 9 14 FROM 90 270 0 270 00 0 05 4 9 16 TO 270 4 9 18 FROM 270 90 0 90 00 0 05 4 10 LOC Centering Test 4 10 3 150 Hz DEMOD voltage NA Record 4 10 5...

Страница 36: ...108 000 25kHz ck 71 4 12 16 334 700 12 5 kHz ck 63 4 12 17 334 700 Q 25kHz ck 74 4 12 19 334 700 100kHz ck Brd 80 4 12 22 108 000 100kHz ck 80 4 13 Spectral Purity Tests NAV 75 A only MHz Harmonics 4...

Страница 37: ...al Purity Tests NAV 75 B only MHz Harmonics 4 14 4 108 000 ck 30 dBc 115 000 ck 130 000 ck 145 000 ck 157 000 ck 4 14 6 329 000 ck 332 000 ck 335 000 ck 4 14 8 070 000 ck 20 dBc 075 000 ck 079 000 ck...

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