Radiometric devices >> modulation meters

SK3-48

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Measurer modulation SK3-48 (SK348, SK3 48, ck3-48, ck3 48, ck348)

To measure the signal parameters of communications equipment, generators measuring the modulation parameters to configure and control communications equipment.
Carrier frequency range RF signal when measuring modulation parameters 0,1-2489 MHz
Modulating frequency range in the AM mode, FM 0,02-200 kHz
Measurement range 0,005-1000 kHz frequency deviation
The limits of measurement of the AM 0.1-100%
Measurement range of the phase modulation index of 1-100 rad
 
Measurer modulation SK3-48 is designed to measure the signal communications equipment, generators measuring the modulation parameters to configure and control communications equipment for mass production and operation, for the verification and certification of test oscillators for modulation parameters: AM factor setting error and frequency deviation, harmonic distortion of amplitude and frequency modulation.
Measurer modulation SK3-48 can be used to create measurement systems, as well as for the development, adjustment of various wireless devices in laboratories, workshops, repair and calibration of.
Measurer modulation SK3-48 is a combined device and provides simultaneous measurement of complex parameters:
-Measurement of peak and RMS values ​​of the coefficient of amplitude modulated RF signals;
-Measurement of peak and RMS values ​​of the frequency deviation and phase modulation index RF signals;
-Measurement of rms voltage and power RF signals;
-Measurement of the frequency of the RF input signal;
Measuring the frequency-modulation signal envelope;
-Measurement of the harmonics of the signal envelope modulation.
Device Features measurer modulation SK3-48:
A wide-range of measured parameters and a small error of measurement;
-Versatile - Simultaneous measurement of seven parameters of the signal;
Auto-tuning for all measured values ​​- the carrier frequency, RF input voltage, automatic selection of the measuring range of scales, automated measurement of the harmonic envelope of the modulation signal;
High-performance measurements - the typical setup time is 1-2s, and the measurement cycle of seven parameters 1c;
-Possibility of the device in the measuring system via RS-232;
Application-embedded single-board industrial computer running Windows XP Embedded;
-Bright, color LCD display provides simultaneous display of all measured parameters in real time, there is an additional ability to connect to an external CRT display device;
A wide-range of service options - averaging measurements, mathematical processing and noise compensation in the low-noise measurement mode, the ability to measure the signal power up to 50 watts, internal calibration, etc.
 
Technical characteristics
 
Data
Values
The measurement of the modulation parameters
Carrier frequency range RF signal when measuring the modulation parameters
0,1-2489 MHz
Modulating frequency range in the AM mode, FM
0,02-200 kHz
Measurement range of frequency deviation
0,005-1000 kHz
The limits of measurement of the AM
0.1-100%
Measurement range of the phase modulation index
1-100 rad
Measurement error of frequency deviation
1-10%
The error of measurement of the AM
1-10%
Measurement error of the phase modulation index
2-5%
The rms value of the frequency background noise and low frequency instrument in the band 0.3-3.4 kHz
1.10 -8 ∙ f + 1 Hz
The rms value of the amplitude and the background noise of the instrument in the band 0.3-3.4 kHz LF
0.015%
Harmonic factor, introduced by the device in the AM mode
0.2-0.8%
Harmonic factor, introduced by the instrument in the FM mode
0.15-1.5%
Measuring parameters of the RF input signal voltages:
The limits of the measurement voltage (power) RF signal
0.05-1 V (0.2-20 mW)
Carrier frequency range voltage measuring RF signal
0,1-2500 MHz
Voltage measurement error RF signal
10-20%
The parameters measuring the frequency of the RF input signal:
The limits of the measurement frequency of the RF signal
0,1-2500 MHz
Measurement error of frequency of the RF signal
5.10 -6f
Measuring parameters of frequency bass signals:
The limits of the measurement frequency bass signals
0,02-200 kHz
Frequency measurement error LF signal
1.10 -4f
The parameters measuring the harmonics:
The limits of the harmonic measure
0.1-30%
Frequency range meter harmonics
0.05-10 kHz
The error of measurement of the harmonics
5%
Performance:
Operating Temperature Range
+5 to +40 ° C
Unit weight
14 kg
Power consumption
80 VA
Overall dimensions
488 × 475 × 175 mm


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