Resistors needed, no external IF filters, and only
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Have great experience with RF circuits due to theįact that there are few external capacitors & TDA7000 is also a great choice for folks that don't So you don't have to do so much tuning and tweakingĪs you would normally do in super heterodyne receivers. Mute detector, Frequency-Locked-Loop system and voltageĬontrolled oscillator (VCO) all in a single chip, Limiter, IF filter, amplifier, Phase demodulator, Mixer, local oscillator, IF (intermediate frequency) Is a great chip because it includes RF input stage, Placed anywhere you want because it will not be affected To be placed on receiver's PCB to minimize the strayĬapacitance where potentiometer can be conveniently Trimmers will also shift the frequency as you touch Tuning can be performed much quickerĪnd precisely than by using a trimmer (variable capacitor). Use regular 100K potentiometer to precisely tune toĪ given broadcast. TheĪdvantage of this type of oscillator is that you can Frequency is tunedīy varying the input voltage to the oscillator. Signals that cannot be heard on conventional FM receivers.Ī neat feature of presented TDA7000 FM receiver isĪ voltage controlled oscillator similar to TV tuners Therefore it will even allow you to pickup weaker TDA7000 receiver offers very good sensitivity Transmitter especially if FM band in your area is
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Is possible to pickup TV stations, entire 88 - 108MHzįM band, aircraft conversation and many other private Receiver / TV tuner will allow you to receive frequenciesįrom 70 up to 120MHz.