Hi Jim, That is an excellent IMD figure - shows what good design and layout can accomplish! I agree that operating with the signal close to the LO is goodve7vv
Hi Jim, Yes, HDSDR does have a method for I/Q balance for TX. But HDSDR must be TX mode to see it. In TX mode: Options -> Output Channel Calibration for TXw4mmp
Hi Roger, On the prototype that has the bandpass filters directly after the TX mixer, as long as the 'PA Clipping' LED was off, the IMD's generated by a singlejimveatch
This is the place to express your enthusiasm, ideas, experiences, modifications, extensions and maybe more ?
Aug 2, 2012 SoftRock Kit Orders Now Taken Online fivedash.com
Dec 21, 2008 Lite II [docs]
Nov 30, 2008 Electronically Switched v9.0 HF BPF kit
Oct 22, 2008 v9.0 50 and 144MHz converter (Beta) [docs]
Oct 2, 2008 v9.0 Lite+USB Xtall [docs, notes]
Jul 29, 2008 USB I2C interface kit [docs]
Jul 12, 2008 RXTX+Xtall v6.3 transceiver [docs, proto]
- Sep 11, 2005
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