We found this circuit in the National Semiconductor's Linear Applications Handbook of 1994. The circuit uses an operational transconductance amplifier.
Using the LT128 and LT1037 from Linear Technology this circuit has a 400 MHz gain x bandwidth...
This circuit can be used for several purposes such as pulse counter, pass counter, roulette, etc....
The circuit shown is suggested by National Semiconductor's Linear Applications Handbook. The base...