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Studio Series Stereo Headphone Amplifier

Description Here's a top-class headphone amplifier that can drive high or low impedance 'phones to full power levels, with very low noise and distortion. For best performance, it can be teamed with the Stereo Preamplifier described last month. Alternatively, it can be used as a s

Posted on:09-03 View:1755
FM Stereo Transmitter

Description This is a small stereo FM transmitter. Output can be tuned from 88to 108Mhz and the transmitter can be battery powered or be used with the low voltage power supply on this page. Notes This circuit is ba

Posted on:08-31 View:1334
What is the function of transistors

A transistor has a base, a collector and an emitter. The base controls an electrical gate, the collector is a larger electrical supply current and the emitter is the output for that supply. Varying the electrical current from the base allows for regulation of the current flowing through the gat

Posted on:08-31 View:591
How To Set up and Use an RF Modulator with a DVD Player and a Televisi...

The popularity of DVD has created a minor "glitch". The DVD player is a high performance unit designed to be used in a variety of setups. It has a plentiful variety of video output (composite, S-video, Component) and audio output (analog, digital optical, and digital coaxial) capabilities

Posted on:08-24 View:4301
FM radio (may be used with PC)

TECHNICAL CHARACTERISTICS: Stabilised tendency of catering: Vcc=9~12V Frequency of reception: 88~108MHz Consumption: 100mA Materially: The resistances are 1/4W. R1 47K R2 22K R3 100K R4 39K R5 10 R6-r12 7,5K -

Posted on:08-21 View:600
What is an RF output

Though it has fallen out of use by many manufacturers, some televisions and other devices still support RF, or coaxial connections. This is due to the likelihood of various consumers still possessing equipment that simply has no other means of connecting to a television. The motivating factor behin

Posted on:08-21 View:391
TV Transmitter

Description: This is an Analogue TV Transmitter. Sound modulation is type FM with a 5.5MHz carrier and video transmission is PAL. Frequency is adjustable via C5 and tunes 54 to 216Mhz with components shown. This is suitable for countries using TV systems B and G.

Posted on:08-20 View:521
How to Connect a RF Modulator

It seems as if every home garage across the country has an old, unused TV set sitting inside. People don't use them because they think that they can't use today's technology -- including VCRs, DVDs, MP3 players, camcorders and gaming systems -- on the old set. With a radio freque

Posted on:08-20 View:518
Amplified Ear

Description This circuit, connected to 32 Ohm impedance mini-earphones, can detect very remote sounds. Useful for theatre, cinema and lecture goers: every word will be clearly heard. You can also listen to your television set at a very low volume, avoiding to bother relatives and neighbors

Posted on:08-19 View:682
How to Hook Up an RF Modulator With DirecTV

RF modulators convert the signal from an AV component to a format that is compatible with coaxial cables. Use an RF modulator with your DirecTV system if your TV does not feature the necessary AV inputs to connect it to the receiver. They can be a necessity for DirecTV subscribers who own older mod

Posted on:08-19 View:432

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