Now that the basic receiver is working, what do I want to add to consider the receiver ‘complete’ ? This is the current set-up :
The following things I would like to add:
- S-meter : shows the strength of the received signal. Based on AF signal
- CW filter : Multiple Feedback Band-Pass filter, 1 or 2 stages, centered around 750Hz
- Audio Amp – current the bench utility amp is used with a gain of 20 dB.
- Keypad – Add 3×4 Keypad much like the K-225 keypad as found in Lowe HF-255 receivers
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