Use REAL audio to simulate your filters in LTSpice. Two examples are given. A two stage elliptical SSB filter is evaluated. And a two-stage multiple feedback CW filter is tested. Both are ready to include in your receiver. […]
|
||||||
|
The G2NJ Trophy is sometimes awarded for a really good technical article, and sometimes for an outstanding contribution to international QRP. This year’s winner described a Cross-coupled Double Balanced Product Detector in SPRAT 191. The winner is Cor, PA3COR”Steve G0FUW, Sprat 194 Needless to say it was a complete surprise! I feel very […] 
Updated : January 25th; Input amplifierUpdated : January 26th; Audio filter A couple of days ago I found the circuit of 20m DC PSK31 receiver at the website of va3iul. The website of va3iul is probably well known in the radio amateur community. It features 100’s of circuit design ideas on all kind […] 
Numeric keypad for radio control […] 
A universal low pass filter that can easily customized, uses easy to obtain parts and has low power consumption. […] |
 |
|||||
|
Copyright © 2024 To create is to live - All Rights Reserved Powered by WordPress & Atahualpa |
||||||
Recent Comments