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The low-frequency signal generator "GZ-111" has been produced since 1985. The RC-type generator with a smooth frequency setting within each of the five subbands is designed for tuning and testing various radio equipment. The generator is a source of a sinusoidal, in an additional mode and a rectangular signal. The oscillator frequency can be synchronized with an external arbitrary waveform. The "G3-111" generator implements a system for stabilizing the output voltage, which ensures a uniform generator LF and constant level when exposed to destabilizing factors. The voltage regulation of the generator "G3-111" is smooth and discrete over a wide range. Characteristics of the generator: The frequency range of 20 Hz - 2 MHz (5 sub-bands). Additional frequencies allow you to use the generator as a RF, for setting up equipment with operating frequencies up to 2 MHz. The basic error of the frequency setting is ± 1 (50 / f)%. The output voltage is 5 V (600 Ohm). Output voltage attenuation 0-60 dB with discretization through 20 dB (with attenuator); -22 dB (continuously adjustable). The change in output voltage when tuning the frequency (relative to the voltage level at a frequency of 1 kHz) ± 1.5% (20 Hz-100 kHz), ± 5% (over 100 kHz). Harmonic factor,% 0.5 (20"“200 Hz; 20"“200 kHz); 0.3 (200 Hz-20 kHz); 1 (200 kHz-1 MHz); 2. (1-2 MHz). Parameters of a rectangular waveform amplitude (range) 10 V (600 Ohm). Power consumption 20 V · A. Generator dimensions 189x180x335 mm. Weight 5 kg.