CALIBRATION PROCEDURE FOR RADIO TEST SET, AN/GRM-114A (IFR, MODEL FM/AM-1100S)
SECTION I. IDENTIFICATION AND DESCRIPTION
Table 1. Calibration Description Continued.
Table 2. Minimum Specifications of Equipment Required.
SECTION III. CALIBRATION PROCESS
Equipment Setup
Table 4. Frequency Accuracy Check.
Figure 1. Test Instrument - Top View.
Table 5. Modulation Frequency Accuracy.
Figure 2. Test Instrument - Bottom View.
Table 7. Output Level 100 MHz.
Table 8. Output Level 250 MHz.
Figure 3. Test Instrument - Left View.
Oscilloscope Timing and Bandwidth
Oscilloscope Gain
Oscilloscope Deviation and Frequency Error
Figure 5. Test Instrument - Right View.
Deviation Meter and Residual FM
Spectrum Analyzer Signal Strength
Figure 6. Spectrum Analyzer No. 2 - Adjustment Locations.
Power Meter
Figure 7. Power Meter - Equipment Setup.
DE MOD Signal
Table 15. Dc Voltage Check.
Figure 8. MM-100E Multimeter - Rear View.
Table 17. Ac Voltage Accuracy.
MM-100E Multimeter
Figure 9. AN/GRM-114A - Bottom View.
Final Procedure
SECTION I. IDENTIFICATION AND DESCRIPTION
Table 1. Calibration Description Continued.
Table 2. Minimum Specifications of Equipment Required.
SECTION III. CALIBRATION PROCESS
Equipment Setup
Table 4. Frequency Accuracy Check.
Figure 1. Test Instrument - Top View.
Table 5. Modulation Frequency Accuracy.
Figure 2. Test Instrument - Bottom View.
Table 7. Output Level 100 MHz.
Table 8. Output Level 250 MHz.
Figure 3. Test Instrument - Left View.
Oscilloscope Timing and Bandwidth
Oscilloscope Gain
Oscilloscope Deviation and Frequency Error
Figure 5. Test Instrument - Right View.
Deviation Meter and Residual FM
Spectrum Analyzer Signal Strength
Figure 6. Spectrum Analyzer No. 2 - Adjustment Locations.
Power Meter
Figure 7. Power Meter - Equipment Setup.
DE MOD Signal
Table 15. Dc Voltage Check.
Figure 8. MM-100E Multimeter - Rear View.
Table 17. Ac Voltage Accuracy.
MM-100E Multimeter
Figure 9. AN/GRM-114A - Bottom View.
Final Procedure