Antenna circuit | Next Electronics

This antenna is the result of long term development and user feedback. All ATL-3 loop windings are centre tapped and balanced w.r.t. their amplifier/receiver chassis ground, and therefore electric field interference pick up tends to self cancel. Magnetic noise fields,...

TA8136S Radio Control Transmitter Ic - Toshiba Semiconductor

TB6556FG is a 3-phase full-wave sine-wave PWM brushless motor controller. It features sine-wave PWM control and includes a built-in triangular-wave generator with a carrier cycle defined as fosc/252 (Hz). The device also offers a built-in lead angle control function that...

80M

This 80M receiver design incorporates the necessary switching mechanisms to enable the SSB filter and first intermediate frequency (I.F.) amplifier to function for transmission purposes. The receiver stages, from the radio frequency (R.F.) input to the speaker output, will be...

FM voice transmitter for Band 2 VHF

This compact transmitter employs a Hartley oscillator configuration. Typically, the capacitor in the tank circuit connects to the base of the transistor; however, at VHF frequencies, the base-emitter capacitance of the transistor behaves like a short circuit, maintaining its functionality....

Making Electromagnetic Weapons

This series focuses on creating Electromagnetic Weapons, specifically highlighting the Electromagnetic Pulse Generator. The last three articles provide further insights. Microwaves, commonly encountered in everyday life, utilize invisible energy to heat food, and can even produce sparks when metal is...

Wireless Auto Tachometer

Anyone performing their own automobile tune-ups knows how important it is to know your engine's speed. With this tachometer, you can measure your engine's speed without any connections or annoying timing lights. The described tachometer is a non-invasive device designed for...

Ambient Power Module

The Ambient Power Module (APM) is a straightforward electronic circuit that, when connected to an antenna and an earth ground, can deliver a low voltage output of up to several milliwatts. An optimal setup involves a long wire antenna approximately...

Wireless Color Sensor

Close to human perception and stable color sensing is a pervasive challenge encountered in various disciplines, such as machine vision for classification and recognition, as well as in intelligent systems like smart illumination systems in home or workplace environments. In...

Sensitive RF Voltmeter Probe

Sensitive RF Voltmeter Probe Circuit. This circuit measures RF voltages beyond 200 MHz and up to approximately 5V. The sensitive RF voltmeter probe circuit is designed to accurately measure radio frequency (RF) voltages in the range exceeding 200 MHz, with...