Difference between revisions of "Superhet Receiver Design"

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** 9 MHz Diplexer for IF
 
** 9 MHz Diplexer for IF
  
=== VFO/Local and BFO Oscillators ==
+
== VFO/Local and BFO Oscillators ==
  
 
* [[VFO-003]]
 
* [[VFO-003]]
** Dual output
+
** Si5351A based
*** VFO for received frequency plus 9 MHZ  
+
** Arduino Pro Mini
 +
** OLED Display
 +
** Controlled by Rotary Encoder
 +
** Temperature Controlled Crystal Oscillator
 +
** Triple output (uses 2 of the 3 outputs)
 +
*** VFO for received frequency plus 9 MHZ
  
 
=== IF Amplifier ==
 
=== IF Amplifier ==

Revision as of 13:47, 27 September 2021

Block Diagram

Superhet.png

RF Amp

Mixer

VFO/Local and BFO Oscillators

  • VFO-003
    • Si5351A based
    • Arduino Pro Mini
    • OLED Display
    • Controlled by Rotary Encoder
    • Temperature Controlled Crystal Oscillator
    • Triple output (uses 2 of the 3 outputs)
      • VFO for received frequency plus 9 MHZ

= IF Amplifier

= Demodulator