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Frontline Hobby - Electronics

TRONIX 1 Basic Electronics Lab This handsome lab is a hands-on lab, and comes to you complete with a beautiful, instructive book, all the necessary parts, and a solderless circuit board to help you perform 35 highly interesting experiments, and learn how the basic components of a circuit work at the same time. Have hours of fun creating all kinds of sound and light displays, and amaze your friends by building all sorts of different circuits - this lab is used in thousands of school the world over. Who knows? You may be on your way to an interesting career in electronics and computers!	130-in-1 Electronic Project Lab Elenco This project comes comes complete with built-in speaker, 7-segment displays, ICs and rotary controls. It is safe, doesnt require soldering, has spring coil connetions and is great for beginners. You can build an electronic organ, AM broadcast station, radio, kitchen timer, logic circuits and more. It comes witha detailed step-by-step illustrated manual.	FM Telephone Transmitter (Kit) This kit's miniature transmitter attaches in series to your telephone line, transmits the conversation 3/4 of a mile and more to an FM receiver. Tune to a clear spot in the FM band of your radio. Completely parasitic i.e. uses the power from the telephone line and needs no battery. The circuit might be used to share or record conversations, but not intended for illegal use. It uses phone line for antenna. Some features are transmission frequency is user selectable, trasmission can be listened to on any FM radio. It also includes alligator clips for easy connection to phone line.	2x25W Audio Amplifier This small amplifier is constructed around the TDA1521 IC, with a maximum delivery capacity at 4 Ohm of 2 x 15 Wrms, or 2 x 10Wrms at 8 Ohm.
Electronic Lab 50-in-1-Lab Experiments NO TOOLS OR SOLDERING REQUIRED!These "Electronic Science Labs" will teach you about electronics from A-Z. With these all-in-one labs, you'll learn about electronic parts, how to readschematics, and wiring diagrams. All this while building up to 500 different projects. Some of the circuits are transistor radio, finger touch lamp, magnetic bridge, voltmeter, morse code generatorm alarm, electronic sound generator, electronic kazoo, electronic keyboard, radio transmitter and metal detector. These kits use spring method: Simply slip pre-cut wires and components into special springs for a safe, secure connection.	Clearance Item - Telephone Hold w/Musical Melody Kit (Special Deal) (Limited Stock) This electronic kit will put your phone call on hold and play a melody while the party is waiting. Comes complete with all cables and connectors. An LED indicates that the line is on HOLD. Powered by the telephone line. Can be ordered assembled.	Variable Strobe Light Kit This excellent Strobe Light produces a very high intensity, white light for short durations. The speed of the flash rate can be varied from one or two per second to twelve or more per second. It comes with a quality 5-watt flashtube which can be used for many hours, even with continous use. This strobe can be converted to manual operation for use with camera equipment. It has many safety and special effects applications. Use it for 'stop motion effect' like old-time movies, etc. Easy to build and maintain. Comes with complete instructions, theory and schematic.	Clearance Item - Complete Single-Unit 0 - 30V / 0 - 2A Regulated Power Supply with Digital Voltmeter / Ammeter (Assembled) (Special Deal) (Limited Stock) A stand-alone high quality laboratory power supply that comes equipped with an easy-to-read digital display for both voltage and current. Its unique feature is that heatsink, potentiometers, and output terminals are all located on the PC Board so only the transformer secondary wires require external connection. The circuit incorporates a current limiter, which provides overload protection. This allows for continuous maximum current adjustment from approximately 0 to 2A. An overload indicator LED is also incorporated as well as coarse and fine voltage adjustments. Supply voltage: 24 to 26V AC @ 2A and 18V AC C.T. @ 300mA.
Dr. Nicad Conditioner/Charger Kit with case (Special Deal) Rejuvenate and add life to those NiCad batteries with this kit.	Mono amplifier - 7W Mono Audio Amplifier Kit This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4 Ohm. The IC is completely thermal and short-circuit protected.A conventional DC supply can be used. The musical power output is 7W for 4 Ohm amd tje RMS output is 3.5W/4Ohm and 2W/8Ohm. Total harmonic distortion is 0.05%(1W/1KHz) and frequency reproduction is 20Hz to 20KHz(-3dB). The signal/noise ratio is 86dB (weighted A) and input sensitivity is 40mV/150KOhm. The circuit is protected from short-circuit and overload.	AM Radio Transmitter Kit w/Case The kit tunes entire 550 to 1600 KHz AM band, operates on 9 to 12 VDC and has standard line level inputs with RCA phono jacks with 100 mW output. Range up to 1/4 mile under optimum conditions. Run your own AM radio station, be the latest talk-show host or top 40 DJ. Ramsey AM radio transmitters operate in the standard AM broadcast band and are easily set to any clear channel in your area. These units are designed very similar to actual commercial radio transmitters, so you'll learn how the 'big boys' operate and use their transmitters. The entry-level R-AM-1 uses a tunable transmit oscillator and runs the maximum 100 milliwatts of power. No FCC license is required, expected range is up to 1/4 mile depending upon antenna and conditions. Transmitters accept standard line-level inputs from tape decks, CD players or mike mixers, and run on 12 volts DC. You'll find plenty of uses for these handy little transmitters, from sending radio calls throughout the house to playing games with dedicated Rush Limbaugh listeners. Our R-AM-1 has an available matching case and knob set for a finished, professional look. Experiment with the fun of AM radio broadcasting.

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