49 In stock
Tube FM Tuner
IWISTAO Discrete Components Mono FM Tuner Board Electrical Tuning
Model No: WHFB-MSPFM
This is a PCBA bord, and you should connect a quality power supply as DC12V , don't use a switch power supply that interfere the radio signal receiving , you may use common linear power from power transformer. It is best if you can provide power form battery，please try it if available.
This is a mono FM radio finished board with discrete components. You only connect DC12V power adapter and speakers then you can enjoy wonderful FM radio. Or, you may make a wooden casing and DIY it as a vintage radio.
The FET is used for high-level discharge, and the triple-coupling is used to increase the AFC automatic frequency tracking circuit, which makes the receiving sensitivity more selective and increases the frequency display. The debugging is more intuitive.
The PCBA adopts double balanced proportional discriminator with excellent sound quality, and also optimizes its layout of the intermediate frequency circuit PCB, improves the stability of the intermediate frequency.
If you need a stereo output, you can connect it with LA3401 FM decoding board, but the sold items don't include the LA3401 FM board, please note.
(PS: the board uses a LA3401 decoding chip as FM stereo decoder, whose resolution is up to 70dB,its noise ratio is up to 95 dB. At the same time, a first-stage FM mixed signal preamplifier is added, which improve the problem that the LA3401 standard circuit cannot be driven in weak signal, so that each radio station can achieve good mediation resolution. After then, the LA3401 has no decoding noise and is comparable to the LA3450 chip).
1. Receive signals: FM
2. Frequency range: 88 ~ 108MHz
3. Power supply voltage: DC12V (no including power adapter)
Discrete components Stereo FM radio board x 1 set.
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