am receiver based on tda1572 ic circuit

The circuit presented illustrates that despite the availability of various new components and technologies, it remains feasible to design useful and interesting circuits. The circuit utilizes two well-established transistors, the BF256C and the BF494. Along with the necessary resistors and...

RF 433MHz - 3 channels remote control

The schematic is very simple and includes, in addition to Nutchip, with its three driving transistor and LED, the radio receiver. The data come from the OUT pin of the receiver and enter the pin REMOTE remote control. The RESET...

ZN414 For AM Receiver

The circuit diagram of the single-chip AM radio is designed around the IC ZN414Z, which consists of ten transistors tuned for radio frequency reception. The single-chip AM radio circuit utilizing the ZN414Z integrated circuit (IC) is a compact and efficient design...

Wireless Coupler

Here's a way to get a short range bidirectional RF (Radio Frequency) channel on a microcontroller, using the controller's tristatable I/O pins and on-chip comparator with a few passive components. The range with the firmware and simple I came up...

crystal Op Amp Radio

Here is a simple radio that is easy to build and inexpensive. In fact, you probably have all the parts you need in your junk box. You'll be surprised at the great reception with this little set. More: The antenna...

TDA3592A Secam-pal Transcoder

The TDA7541 is a high-performance tuner circuit with a stereo decoder designed for AM/FM car radios. It integrates a mixer, IF amplifier, demodulator for AM and FM, stereo decoder, quality detection, ISS filter, and PLL synthesizer with IF counter into...

Cable broadcast amplifiers circuit protection

A cable radio broadcasting studio in rural villages and towns is often equipped with high-power amplifiers that are susceptible to damage. This vulnerability primarily arises from frequent usage without specialized management, leading to situations where the system is often powered...

AM Receiver

This is a compact three transistor, regenerative receiver with fixed feedback. It is similar in principle to the ZN414 radio IC which is now replaced by the MK484. The design is simple and sensitivity and selectivity of the receiver are...

RF Remote Control Switch Rx-Tx circuits

This circuit includes a 2048 radio remote control transmitter and a corresponding wireless receiver that features high reception sensitivity and low power consumption. The combination of these two components provides a highly reliable remote control system, suitable for various applications...