SC3610D Radio LCD Frequency Display Module Frequency Meter DC 1.8V-3.3V
Item Details
SC3610D Radio LCD Frequency Display Module
Frequency Meter DC 1.8V-3.3V
Notice:
1, This module is suitable for radios or transmitters with a local oscillator circuit. It is not suitable for DSP radios without a local oscillator circuit!
2, This module currently only supports frequency display and does not support clock function.
Description:
This module is a classic frequency display circuit module, using SC3610D drive, no backlight board, finished module, just power up, welding a wire from Fin foot to the local oscillator circuit of the transmitter or radio to display the working frequency. It is more convenient to use. It is convenient to add frequency display to the radio or transmitter, which is the first choice for radio enthusiasts to make frequency meters!
Features:
Working Voltage: DC 1.8V-3.3V (Max 3.3V)
Frequency Display Range:
AM: 0.5-30MHZ
Intermediate Frequency: 455KHZ;
FM: 11-150MHZ, for FM, optional intermediate frequency 10.7MHZ (disconnect IFsel) or 70KHZ (short connection IFsel)
Dimensions: 25mm x 24mm x 5mm
Pin Function Instruction:
1, + pad, power supply positive pole, can not exceed 3.3V, otherwise it may burn out the module.
2, - pad, power supply negative pole.
3. Fin pad, external oscillation signal input pin, the board has its own measured signal input coupling capacitor, no need to connect externally. When used for transmitter frequency display, it is usually connected to the local oscillator output or secondary amplification output of the transmitter. In this case, short-circuit IF, select intermediate frequency 70KHZ, AF or RG is short depending on actual needs, refer to the following. The displayed frequency has an error of about 0.1 MHz with the actual transmission frequency; when used for radio frequency display, it is usually connected to the local oscillator output of the radio or the AFC pin, and the display frequency is accurate.
4. AF jumper, AM/FM selection, short-circuit---The module works in FM display mode, disconnected---The module works in AM display mode.
5, RG jumper, when working in FM mode, short RG, display frequency range: 11-150MHZ; disconnect RG, display frequency range: 11-99.99MHZ. When working in AM mode, short-circuit RG, display frequency range: 0.5MHZ-29.99MHZ, disconnect RG, display frequency range: 500KHZ-9999KHZ.
6, IF jumper, FM intermediate frequency selection, short-circuit - for intermediate frequency 70KHZ FM radio (such as TDA7021, TDA7088, etc.), disconnected --- for FM IF 10.7MHZ (such as CXA1691, CXA1238 and so on).
Packing List:
1pcs x SC3610D Radio LCD Frequency Display Module
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