Using circuits from Analog Devices, this circuit does not need a symmetrical power supply. It is also offset adjustable and is based on the LT1498 and LT1167 op amps.
This single channel circuit can be used with one of the many receivers that we describe in this...
This circuit is from an old American publication from 1975 but can be easily implemented with any...
Although this project has only 3 digits, nothing prevents it from being modified to operate with a...