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80-057 Philmore PLL tuned FM stereo Transmitter Electronic Soldering Kit

80-057 Philmore PLL tuned FM stereo Transmitter Electronic Soldering Kit


 
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Brand: Philmore Electronics - LKG Industries
Manufacturer Part No. 80-057
Product Info: See our Philmore catalog.

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Description
 

Philmore 80-057 PLL tuned FM stereo Transmitter Electronic Soldering Kit

The Philmore-Datak 80-057 PLL controlled FM Stereo Transmitter Kit is the top of the line. The Cadillac of the FM transmitters, and latest technology.

A two board FM Stereo Transmitter kit with the best possible features that our designers could think of. In addition to very clean, accurate stereo reproduction, the PLL tuning provides stability that is simply not available in most transmitters. Unit has an LCD display with an EEPROM memory to retain frequency setting even if powered down. Listen on your Walkman, or any stereo FM radio in your home or car. The top board is the controller, with the keypad switches and LCD readout. The bottom board is the transmitter, employing an NJM2035 for the stereo generator, buffered tuning from the PLL for quiet performance and an RF amp stage on the output. The circuit can be tuned in 5K steps, for fine tuning. You will want to use a very "clean" power supply for this circuit; batteries (12 volts DC, at least 75mA.) are a perfect source of power. Or, a well filtered power supply to be sure to eliminate power line hum. This circuit can broadcast any line-level input, such as a computer sound card, CD player, tape player etc. far enough to provide excellent reception around an average house and yard. Instructions for a low cost FM antenna are included. The top board size is 5 1/2" long and 3.3" in width; the finished unit fits neatly into a Philmore No PB170 plastic case (which is not in the kit, sold separately). The unit will function on voltages as low as 9 volts and as high as 14.9 volts; at the suggested 12 VDC the unit needs up to 75mA supply. While assembly is easy and straight forward, we suggest the kit only for builders with some experience in kit building.

Philmore Electronics part number 80-057


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