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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 |
30 MHz to 1.5 GHz. Automatic measurements can
also be made in the bands 10 to 13 MHz and 20 to 27 MHz |
| 8 MHz to 1.5 GHz using external local oscillator with a
range of 17 to 28 MHz |
| Input Level |
| Low Input
High Input
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10 to 100 mV rms up to 500 MHz
20 to 150 mV rms from 500 MHz to 1 GHz
50 to 150 mV rms from 1 GHz to 1.5 GHz |
100 mV to 1V rms up to 500 MHz
150 mV to 1V rms from 500 MHz to 1 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 (150 kHz on 9009N)
deviation full scale. Measurements of positive and negative deviations can be made
- 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, AM may be measured
- Modulation Frequency Range: 50 Hz to 30 kHz
IF Output
- Frequency: 500 kHz nominal
- Level: 100 mV rms nominal
AF Output
- Response
Normal: ± 0.5 dB over the frequency range 50 Hz to 10 kHz, -3 dB ± 0.75 dB at 30
kHz
Filter In: 300 Hz to 3 kHz at 2 dB points
DC Output
- Level: 1 Volt ± 0.5 dB at meter full scale
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