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Frequency counter
Direct conversion
receiver
Components
80m_40m transceiver

SSB_CW Audio Filter

4 channels VFO

2W- FM transmitter

Mixer

​40m_20m transceiver

​4 channels BPF

S-meter
1 channels VFO

2 channels VFO

​1 channels BPF

​2 channels BPF

LPF
chassis
IRT
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JJJelectronics- RF Mixer with audio pre-amplifier

  
* Hi Performance RF Mixer with MC1496 chip
* Pre-amplifier ,Audio stage after mixer  
* Voltage 11v-13.5v
* voltage regulator
* can be used as product detector, Beat frequency oscillator (BFO) and heart of direct conversion receiver 
the output frequency is the difference between the VFO  frequency and the input frequency filter 
please check the video
Circuit diagram
Silk screen
Build instruction
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price is £11.99 with free delivery to UK





price is £13.69 with free delivery to Europe

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