modulation and frequency deviation meter SK3-43

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Meter modulation and frequency deviation & nbsp; SK3-43 & nbsp; for measurement of modulation parameters of communications equipment signals. Having digital readout of the measured values, automatic adjustment of the local oscillator frequency and installing it on the built-in frequency significantly reduces the measurement time.

With automatic stabilization level of the input voltage over a wide dynamic range, low distortion insertion path unit the measured signal demodulation can accurately analyze the envelope signal by means of external spectrum of devices analyzers, IEI, oscilloscope, connected to the low-frequency output.

Having switched path frequency band LF allows analyzing the signal at the optimal signal / noise ratio. Preselection input signal in aperiodic mode provides input AM coefficient measurement in the presence of harmonics of the carrier frequency

Main technical characteristics of the device SK3-43:.

range of carrier frequencies: & nbsp;

0,15-500 MHz (in AM mode),

4-1000 MHz (in FM mode .)

range baseband: 0,03-60 kHz

Sensitivity mV: & nbsp;

50 (0,15-4 and 250 MHz. -500 MHz), & nbsp;

30 (4-250 MHz), & nbsp;

300 (500-1000 MHz)

measurement range: <. br>
frequency deviation: 1-500 kHz,

ratio AM: 1 -100%

THD, insertion instrument into a modulation signal in the measurement of frequency deviation,%. : & nbsp;

0,2 (30 kHz); & nbsp;

0,5 (up to 100 kHz); & nbsp;

1 (up to 150 . kHz); & nbsp;

2 (up to 500 kHz)

harmonic ratio introduced into the envelope of AM signal, when measuring the coefficient AM,%: & nbsp;

0.5 (30%), & nbsp;

1 (d about 90%).