1-2Mhz broadcast transmitter

This infrared transmitter is capable of activating IR-based switching circuits from a distance of 10 meters or more. It features a high-power IR transmitter that drives two infrared LEDs. The infrared transmitter circuit is designed for remote activation of devices...

A simple and powerful FM transmitter is an interesting project that utilizes one transistor and operates within a frequency range of 100 MHz. The circuit diagram includes a description of the FM transmitter and various related interesting projects. The FM...

The FM302E-I-type FM transmitter exciter is utilized in Japan's NEC HPB a 1210 motherboard. It features direct carrier frequency modulation, phase-locked frequency stabilization, and frequency synthesis. The preamplifier (BLF-177 FET) is directly driven by an actuator, achieving a maximum...

Crystal X1 operates in fundamental mode and is calibrated for parallel resonance with a load capacitance of 32 pF. The final output frequency is produced through frequency multiplication within the MC2833 integrated circuit (IC). The RF output buffer at...

An FM modulator that modulates a carrier frequency with the composite signal, and an RF amplifier that provides enough power to be transmitted through an antenna. Here is the schematic diagram of the FM transmitter circuit: The core of...

The ETl3X220 is connected to a low-cost single-chip RF transmitter, capable of supporting 10 communication channels for wireless mouse, keyboard, and other communication products. The main technical features include analog FM or digital FSK modulation with a channel spacing...