Генератор белого шума как глушилка сигнала

White-noise generator as a "jamming" signal. Noise generator is built on two transistors. Has the ability to control the lasing spectrum and frequency response. The bandwidth in the lower range is limited to filter high frequency F = 600-1000 Hz, and in the upper range - the maximum rate of gain of the transistor F ~ 100 MHz. Once the generator is installed amplifier - shaper with a bandwidth of 100Hz - 150MHz and gives the output TTL level signal. Application of the device: 1-Loudspeaker setup, 2-Configuring receiver ,3-Active noise suppression of spying 4-Cryptographic communication channel encoder generator The generator is sensitive to ambient temperature, so it is advisable to use thermal stabilization (thermostat). Spectral response is removed by means of an oscilloscope and spectrum analyzer. The density of the frequency spectrum of the signal indicates the irregularity of not more than 10dB When listening to the sound is pure white noise - sound of the surf of the sea. When connecting the generator to the receiver, through the creation of inductive coupling, there is complete suppression of the received radio stations, up to VHF. The result is that the device can be used as an active suppressor "bad" signal.