Remote measurements

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CMT : General Info

The Radio Communication Tester CMT is a test system for all applications in the field of radiotelephone measurements. Thanks to the compact design and low weight the CMT is also ideally suited for mobile use.

There is a wide choice of options and numerous special functions for particular settings and measurements as well as semi-automatic test procedures, featuring wide dynamic range, high accuracy and fast measurement rate.

Condensed Data of CMT:

Generator
-   RF Synthesizer   0.1 to 1000 (2000*)  Mhz, -137 to + 13 dBm
-   Modulation        AM, FM, ΦM
-   Two * Modulation Generators , 20 Hz to 30 Khz , 10 uV to 5 V
-   Selective Call Encoder (7 standards)
-   Two tone generator
Measurement
-   RF Meter (0.4 to 1000 Mhz)
-   RF Power Meter    5mW to 50 W
-   AF Meter (20 Hz to 500 Khz)
-   AF Volt Meter (0.1 mV to 30 V)
-   Distortion Meter 0.1 to 50 %
-   SINAD Meter (1 to 46 dB)
-   S/N Meter (1 to 46 dB)
-   Filters (CCITT, 300-Hz High Pass)
-   Off- Air Measurement
-   Duplex modulation meter *
-   Oscilloscope  (DC/AC to 100 kHz)  *
-   SSB/RF Spectrum Analyser  (CMTA Models) *
-   Adjacent channel Power Meter) *
-   RF millivoltmeter (1 kHz to 1 Ghz, 1mV to 100 V) *

* Model specific 
Note:  CMTA Models are CMT Analyser Models

A good second hand CMT will set you back around 600 - 2000 Euro, depending heavily on the wide range of options available. It is essential to have the operating manual, since many operating and measuring functions are only initiated with special function codes.

Options
-   2nd AF Synthesizer, CMT-B7
-   Oscilloscope, certain Models
-   Autorun Control, CM-B5
-   IEC Bus, CM-B4
-   Duplex Modulation Meter, CM-B9
-   Select. ZVEI, CM-B11
-   Select. CCIR, CM-B11
-   Select. EIA, CM-B11
-   Select. DTMF, CM-B11
-   RF Millivoltmeter, CM-B6
-   SSB/AF Analysis, CMT-B10
-   DC Measurment CMT-Z6
-   Power Burst Measurement, CMU-20
-   FM Broadband Modulator/Demodulator, CMY-U26

Example Description
CMT52 1000 Mhz, No Scoop
CMT53 2000 Mhz, No Scoop
CMT54 1000 Mhz, Scoop
CMTA54 1000 Mhz, SSB/RF Spectrum Analyser
CMT55 2000 Mhz, FM BB Mod, Scoop
CMTA55 2000 Mhz, FM BB Mod, Spect. Anal.
CMT84 1000 Mhz, Cellar Radio, Scoop
CMTA84 1000 Mhz, Cellar Radio, Spect. Anal.