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TDA7000 FM Receiver (Parts)
This simple one chip FM receiver / TV tuner will allow you to receive frequencies from 70 up to 120MHz. With this small receiver it is possible to pick up TV stations, entire 88 - 108MHz FM band, aircraft conversation and many other private transmissions. It is a perfect companion to any FM Transmitter especially if FM band in your area is very crowded. TDA7000 receiver offers very good sensitivity therefore it will even allow you to pickup weaker signals that cannot be heard on conventional FM receivers. A neat feature of presented TDA7000 FM receiver is a voltage controlled oscillator similar to TV tuners that are used in television sets. Frequency is tuned by varying the input voltage to the oscillator. The advantage of this type of oscillator is that you can use regular 100K potentiometer to precisely tune to a given broadcast. Tuning can be performed much quicker and precisely than by using a trimmer (variable capacitor). Trimmers will also shift the frequency as you touch them where potentiometer will not. Trimmer also needs to be placed on receiver's PCB to minimize the stray capacitance where potentiometer can be conveniently placed anywhere you want because it will not be affected by any external capacitance.
Click here to view TDA7000 FM receiver schematic & description
Component List
1x TDA7000
1x 18-PIN IC Socket
1x 5.5T Variable Coil
1x MV2105 - Varicap Diode
1x 100K Potentiometer
1x 100K Resistor
1x 22K Resistor
1x 10K Resistor
3x 100nF Capacitor
1x 22nF Capacitor
1x 10nF Capacitor
2x 3.3nF Capacitor
1x 2.2nF Capacitor
1x 1nF Capacitor
2x 330pF Capacitor
2x 220pF Capacitor
2x 180pF Capacitor
1x 150pF Capacitor |
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Stereo FM Receiver Kit
This simple kit allows you to build a complete high quality digital Stereo FM Receiver capable of receiving radio broadcasts in 76MHz up to 108MHz band. It is a perfect companion to any FM Transmitter especially if FM band in your area is very crowded. FM receiver is supplied by two AA battery cells.
Specifications
 Frequency: 76 - 108MHz
Supply Voltage: 1.8 - 3.6V
Component List
1x Stereo FM Receiver PCB
1x Stereo FM Receiver Chip
1x Dual AA Battery Holder
1x 3.5mm Stereo Headphone Jack
5x Tactile Buttons
1x 32,768KHz Crystal
1x 2SC8050 Transistor
1x LED
1x 10uH Inductor
2x 1N4148 Diodes
4x 10K Resistor
2x 100uF Capacitor
2x 100nF Capacitor
1x 33pF Capacitor |
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