Video Preamp Circuit
The NE592 and LM733 are integrated circuits designed for high-speed applications, making them suitable for video amplification tasks. In this configuration, the amplifier is set up to provide two outputs, J2 and J3, which are 180 degrees out of phase with each other. This anti-phase output configuration is beneficial for differential signaling and can help reduce noise and improve signal integrity in video applications.
The gain control resistor, R2, allows for adjustment of the amplifier's gain, enabling the user to optimize the output level based on the input signal strength and the requirements of the subsequent circuitry. This flexibility is essential in video applications where signal levels can vary significantly.
With a bandwidth of approximately 100 MHz, the circuit is capable of handling high-frequency signals, ensuring minimal signal degradation across the frequency spectrum typically encountered in video signals. This characteristic is crucial for maintaining the quality and clarity of the video output, particularly in high-resolution applications.
Overall, this schematic represents a robust solution for video amplification, leveraging the high-speed capabilities of the NE592 or LM733 to deliver reliable performance in various electronic systems.An NE592 or LM733 is used as a general-purpose video amplifier in this schematic.J2 and J3 provide two anti-phase outputs.R2 is a gain control.The bandwidth is about 100 MHz 🔗 External reference
Related Circuits
220V AC voltage is transformed by transformer T to 19V. After passing through a full-wave bridge rectifier and filter capacitor C, the voltage is regulated to DC using a 7812 voltage regulator. When the battery indicator light is illuminated,...
A simple single-chip FM transmitter circuit with a diagram and schematic using the IC MAX 2606, which is a high-performance voltage-controlled oscillator (VCO). The FM transmitter circuit utilizing the MAX 2606 is designed for efficient frequency modulation of audio signals....
In night photography, long exposures are common, sometimes lasting several seconds to several minutes. HDR techniques often require taking a series of nine or more photos. Holding a remote trigger for an extended period can be tedious, leading to...
An incandescent lamp operates with a two-wire connection and features a life extension open circuit. It has a longer warm-up time compared to other types of lamps, resulting in a significant delay before illumination. Upon closing the switch, a...
This Wien-bridge sine-wave oscillator utilizes a 2N3819 as an amplitude stabilizer. The 2N3819 functions as a variable-resistance element within the Wien bridge. The Wien-bridge oscillator is a type of electronic oscillator that generates sine waves. It employs a bridge circuit...
This circuit produces a two-tone effect similar to the cuckoo song. It is suitable for use in doorbells or other applications due to its integrated audio amplifier and loudspeaker. When utilized as a sound effect generator, it can be...