-
Recent Posts
Recent Comments
Categories
Archives
- December 2019
- November 2019
- March 2019
- February 2019
- January 2019
- March 2018
- February 2018
- January 2018
- November 2017
- October 2017
- August 2017
- January 2017
- November 2016
- October 2016
- September 2016
- July 2016
- June 2016
- May 2016
- March 2016
- February 2016
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- July 2014
- May 2014
- April 2014
- March 2014
- February 2014
- December 2013
- November 2013
- October 2013
- June 2013
- February 2013
- January 2013
- December 2012
- September 2012
- July 2012
- May 2012
- April 2012
- March 2012
- February 2012
- October 2011
- June 2011
- April 2011
- March 2011
Tag Archives: UHF
LTSpice simulation of Baofeng UV5R band selector
I was quite busy the other day trying to understand how Baofeng is using RDA1846 transceiver in their products. While analyzing the schematic it struck me the overcomplicated way they do the switch between UHF and VHF. This is an excerpt of the schematic: The entire selector block is made up with discrete components ! …