Notes page for K1NQ's 
YCCC 6 Band Receive Bandpass Filter

 

This set of pages will probably be consolidated into a single document after all (most) of the changes are known and then posted on the YCCC site with the original article.

Original article on YCCC web -

6-Band RX Bandpass Filter (updated 2007-Mar-14)
by David Jordan, K1NQ

 

Performance Data -

Band plots from K1NQ (pdf) 7 November 2007

SWR plots from K1NQ (pdf) NEW  - posted  14 January 2008

 

Construction Notes -

Notes from N8RA (pdf)  (.doc file)- Revision 3.0,   10 October 2007 - Reverse D5, Change transistors, Cap sizing, Jumpers, wire size for L1-3, make C18 and C19 parallel, Jumper P3-P7 help, PCB spacers, J3 male on chassis

Inductor construction table (pdf)  (.xls file) updated 29 August 2007, all bands now included

Mechanical Parts placement (pdf) for the TenTec custom enclosure   updated 28 August 2007

Updated Parts list (pdf) (.xls file)- updated 10 October 2007

NEW  Three modifications from N8RA (pdf) (.doc file) 1 - LEDs too bright, 2 - Lower SWR when off, 3 - Add AUX RX Antenna   NEW  - posted  29 January 2008

W3LPL article on K1TTT website

Custom TenTec enclosure status:

All enclosure orders have been delivered or shipped.

24 Oct 2007 - David, K1NQ, has some boards available.

Last page update - 29 January 2008 - KV1J