英国RACAL-DANA 9009调制表

廠牌 - Racal-Dana

型號 - 9009

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
 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 ** 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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