We found this circuit in a 1967 American documentation. It is a transmitter for animal research, monitoring intestinal pressure. The operating frequency is 22 kHz.
This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s....
The purpose of the strobe circuit in this sensor amplifier is to reduce consumption. The circuit is...
The amplifier gain shown in the figure is given by R1. The circuit is valid for other photodiodes and is...