Attenuator: UHF | |
Distortion Meter:
DM-3104A,DM-3204 |
Modulation Meter: MM-476020 | |
![]() | |
DescriptionThe Modulation Meter, MM-476020 is a compact, simple to operate and fully automatic modulation meter. It is designed to make rapid and accurate modulation measurement for testing transceivers, cordless phones, walkie-talkies, mobile radio phones and other radio communication equipment. It is capable of comprehensive analysis of both amplitude and frequency modulated signals. The Model MM-476020 is a high performance, modulation meter with comprehensive specifications covering the carrier frequency range from 1.5MHz to 2GHz and level range from 5mV to 1Vrms. SpecificationsA) RF InputFrequency Range: 1.5MHz ~ 2GHz continuous coverage, Automatic tuning system, and lock functions Input Level: Maximum Input: 3V PD Input Impedance: 50 W nominal B) Frequency ModulationModulation Rate: 50 Hz~30 KHz + 0.5dB refer to 1 kHz Deviation Range:1.5 kHz~100 kHz in eight ranges. Measurement of positive and negative and mean deviation can be selected by the switch Accuracy: + 2% of full scale + Residual FM Residual FM: 20 Hz/100 MHz with 3K filter on C) Amplitude ModulationModulation Rate: 50 Hz~30 kHz + 0.5dB refer to 1 kHz Depth Range: 5%~100%in 6 ranges Accuracy: + 2% of full scale Residual AM: less than 1% D) Signal OutputIF Output:
AF Output:
DC Output:
E) Level Measurement AF Bandwidth: 50Hz ~ 30KHz, 50H ~ 15KHz, 300Hz ~3KHz in 3 ranges, Band-pass filter F) General Specifications Weight: 4 Kgs Power Requirement: AC 115/230V + 10%, 50/60Hz, 30W Dimensions: 260(W) x 100(H) x 340(D)mm
|