OSCILLOSCOPE COUNTER PREAMPLIFIER


Posted on Feb 4, 2014

The circuit will provide a 20 ±0. 1 dB voltage gain from 500 kHz to 50 MHz. The low-frequency response of the amplifter can be extended by increasing the value of the 0. 05- F capacitor connected in series with the input terminal. This circuit will yield an input-noise level of approximately 10 V over a 1 5. 7-MHz bandwidth. The gain can be catib


OSCILLOSCOPE COUNTER PREAMPLIFIER
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rated by adjusting the potentiometer connected between pins 4 and 11. The 1-K © potentiometer can be adjusted for an exact voltage gain of 10. This preserves the scale factor of the instrument.




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