Stereo FM Transmitter BH1415F

This Electronic circuit is a stereo FM Transmitter based on BH1415F wireless audio link IC. Phase Locked Loop (PLL) controller use PIC16F628 and the the PLL frequency programming can be displayed with 8x2 and 16x2 LCD. Frequency Range 88-108 MHzBH1415F can be supplied with 6 - 15V voltage, consumes only around 25mA while providing very sound quality and improved 40dB channel separation. BH1415 is only available in SOP22 IC case and this may be an inconvenience for some folks. On the ot [...]

01/07/2008 | RADIO FREQUENCY CIRCUIT | Tecnologia | stereo fm transmitter

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Build Your PLL Stereo FM Transmitter With LCD

Why don't build your FM Transmitter yourself? This Electronic circuit is a stereo FM Transmitter based on BH1415F wireless audio link IC. Phase Locked Loop (PLL) controller use PIC16F628 and the the PLL frequency programming can be displayed with 8x2 and 16x2 LCD. Frequency Range 88-108 MHzBH1415F can be supplied with 6 - 15V voltage, consumes only around 25mA while providing very sound quality and improved 40dB channel separation. BH1415 is only available in SOP22 IC case and this may [...]

01/07/2008 | Electronic Parts Kits and Projects | fm transmitter

4 Watt PLL FM Transmitter

Here's a Phase Locked Loop (PLL) FM transmitter circuit with high gain amplifier on the final stage. If the unit is to be used with a stereo encoder, the pre-emphasis must be disabled. The audio input network has a potentiometer to set the audio level and jumper selectable pre-emphasis. The PLL FM transmitter uses the standard PLL architecture. The PLL error voltage is summed at the input of the audio buffer, which is implemented by a BC558 transistor. The PLL error voltage enables the [...]

01/07/2008 | The Transmitter Palace The Place of Transmitter Technical Guide | fm transmitter

Stereo FM Transmitter Based BA1404 Chips

This electronic circuit design is a stereo FM transmitter that improves sound quality, has very good frequency stability, maximizes transmitter's range, and is fairly simple for everyone to build. We are happy to announce that this goal and expectations have been met and even exceeded.The transmitter can work from a single 1.5V cell battery and provide excellent crystal clear stereo sound. It can also be supplied from two 1.5V battery cells to provide the maximum range.Sound Quality an [...]

01/07/2008 | RADIO FREQUENCY CIRCUIT | stereo fm transmitter

Stereo Encoder Oversampling For FM Transmitter

Stereo encoder is the circuit that used in FM transmitter audio for a high quality stereo sound transmission. This stereo encoder produces an excellent crystal clear stereo sound and very good channel separation that can match with many more expensive stereo encoders that are available on the market.Below is stereo encoder (stereocoder) from Katruud Electronic with improved PCB version 3.1. that use 8x oversampling multiplexer methodDownload complete manual

01/07/2008 | SCHEMATRONICS Electronic Circuit Collection | stereo encoder

Wireless Audio Link IC BH1415F

The BH1415F is a FM stereo transmitter IC that transmits simple configuration. The IC consists of a stereo modulator for generating stereo composite signals and a FM transmitter for broadcasting a FM signal on the air. The stereo modulator generates a composite signal which consists of the MAIN, SUB, and pilot signal from a 38kHz oscillator. The FM transmitter radiates FM wave on the air by modulating the carrier signal with a composite signal.Download BH1415F Datasheet

01/07/2008 | PART AND COMPONENT | signal