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Automatic Modulation Meter
- Automatic tuning and amplitude leveling
- IF and demodulated AF output are both available on the rear panel
Specifications
Input Characteristics
| Carrier Frequency |
| Automatic Operation
Manual Tuning |
1.5 MHz to 2 GHz |
| 1.5 MHz to 2 GHz |
| Input Level |
| Low Input
High Input
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5 to 100 mV rms up to 500 MHz
10 to 150 mV rms from 500 MHz to 1 GHz
20 to 150 mV rms from 1 GHz to 2 GHz |
50 mV to 1V rms up to 500 MHz
150 mV to 1V rms from 500 MHz to 2 GHz |
| Level Setting |
Fully Automatic |
| Input Impedance |
50 Ohms Nominal |
FM Measurement
- Deviation Ranges: 1.5, 3, 5, 10, 15, 30, 50 and 100 kHz deviation full scale.
Measurements of positive and negative deviations can be made. (Also mean
deviations on Model 9008)
- Modulation Frequency Range: 50 Hz to 30 kHz
AM Measurement
- Modulation Depth Ranges: 5, 10, 15, 30, 50 and 100% full scale modulation depth.
Measurements of peak, trough, (or mean on 9008) AM may be measured
- Modulation Frequency Range: 50 Hz to 30 kHz
IF Output
- Frequency: 430 kHz nominal
- Level: 100 mV rms nominal
AF Output
- Response
Normal: ± 0.5 dB over the frequency range 50 Hz to 30 kHz
Filter In: 300 Hz to 3 kHz at 3 dB points
DC Output
- Level: 1 Volt ± 0.5 dB at meter full scale
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