Solid laser range finder receive circuit diagram

This circuitry zooms in magnification of 1200000 times, the bandwidth is 0.5~14 Mhzs, the input impedance is 700 ?, the output impedance is 35 ?(to measure in the 5 MHZ), the output level of noise is 0.6~0.8 V. In the chart, T1 and T2 are direct coupling amplifiers, and be current negative feedback in parallel connection. The promotion of T2`s emitter l..

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