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.
Found in American documentation from the 90s, this circuit keeps the high beam on for a time...
This is a VU-meter bargraph with up to 7 LEDs according the Power supply voltage. Adjusts are made by...
The amplifier presented is based on the National Semiconductor LM12 and high-power MJ transistors. The...