Video Buffer with Strobed DC Restore


Posted on Jul 28, 2012

The GB4551 is a high performance video buffer with DC restore primarily used for accurate back porch clamping. The circuit features a wideband differential amplifier that can be configured as a gain stage. The output signal voltage is limited to +2V above the clamp level in order to prevent damage to crosspoints or other circuits connected to the output.



The clamping action occurs when the STROBE (STB) input is taken to ground. A typical application would be for DC restoration during the back porch period. In this case the negative-going back porch pulse would be derived from an external sync separato




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

15 x 7 LED display with PIC16F628
Wide-range-digitally-controlled-variable-gain-amplifier
Quiz Circuit
Generating a simple sine wave
Case Modding
Crowbar Speaker Protection
FM Radio jammer
Circuit Diagram Based On The 555 Timer IC
Simple Moisture Detector
10 GHZ Transverter
Internal functional block diagram of NCP5201
555 practical DC stepless dimmer circuit diagram



Top