http://groups.yahoo.com/group/N2PK-VNA/ N2PK-VNA Tue, 24 Nov 2009 19:43:29 GMT david529007 http://groups.yahoo.com/group/N2PK-VNA/message/5256 http://groups.yahoo.com/group/N2PK-VNA/message/5256 The board has a small EEPROM on it. That EEPROM is programmed with a few bytes of data that tells the FX2 chip of its Vendor ID and Product ID (and a few other Tue, 24 Nov 2009 15:15:45 GMT Paul Kiciak http://groups.yahoo.com/group/N2PK-VNA/message/5255 http://groups.yahoo.com/group/N2PK-VNA/message/5255 Hi Glen, Go to Dave, G8KBB's website and read all about it. -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com Tue, 24 Nov 2009 14:53:36 GMT Glen http://groups.yahoo.com/group/N2PK-VNA/message/5254 http://groups.yahoo.com/group/N2PK-VNA/message/5254 I wanted to ask a question about the processor on the board. I am assuming the Cypress chip has some sort of bootloader, and when we first get the board up and Mon, 23 Nov 2009 20:13:11 GMT Andrey http://groups.yahoo.com/group/N2PK-VNA/message/5253 http://groups.yahoo.com/group/N2PK-VNA/message/5253 Also, try Art, KY1K. You can find him here in the group - he usualy has the transformers in stock as well as other parts for the VNA. Hope this helps! 73 de Mon, 23 Nov 2009 19:53:05 GMT Paul Kiciak http://groups.yahoo.com/group/N2PK-VNA/message/5252 http://groups.yahoo.com/group/N2PK-VNA/message/5252 Hi Glen, ... Use the Connor Winfield XO and associated parts instead. I just got the LT1460's at Digikey. Get the xfmrs direct from MCL. -- 73, Paul, N2PK See Mon, 23 Nov 2009 19:11:28 GMT Glen http://groups.yahoo.com/group/N2PK-VNA/message/5251 http://groups.yahoo.com/group/N2PK-VNA/message/5251 Hello, New to the group...have v5.1 boards and vhf downconverter 'kit'. Ordering parts, cannot find VFAC570 and LT1460 so far. DigiKey way high on J608 SMA, Thu, 19 Nov 2009 08:35:43 GMT Paul Kiciak http://groups.yahoo.com/group/N2PK-VNA/message/5250 http://groups.yahoo.com/group/N2PK-VNA/message/5250 Hi Bill, Bill Carver's netbook is an ACER ASPIRE 1. -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com Wed, 18 Nov 2009 07:29:28 GMT Bill Maxwell http://groups.yahoo.com/group/N2PK-VNA/message/5249 http://groups.yahoo.com/group/N2PK-VNA/message/5249 Thanks Paul Bill, VK7MX Sun, 15 Nov 2009 22:15:37 GMT Roger D Johnson http://groups.yahoo.com/group/N2PK-VNA/message/5248 http://groups.yahoo.com/group/N2PK-VNA/message/5248 ... I'm interested, Nick! 73, Roger Remember the USS Liberty (AGTR-5) http://ussliberty.org/ Sun, 15 Nov 2009 21:19:28 GMT Nick - VE3EY http://groups.yahoo.com/group/N2PK-VNA/message/5247 http://groups.yahoo.com/group/N2PK-VNA/message/5247 I have an assembled dual detector N2PK VNA for sale if anyone is interested. It was assembled on VE3IVM's v 4.3 board with Fisher-Valpey oscillator. The power Sat, 14 Nov 2009 00:02:36 GMT Paul Kiciak http://groups.yahoo.com/group/N2PK-VNA/message/5246 http://groups.yahoo.com/group/N2PK-VNA/message/5246 Hi Nick, The RF DDS is roughly 1 Vpp into 50 ohms. Think you'll find this won't be a simple problem to solve as you'll need over 120 dB of shielding Fri, 13 Nov 2009 23:47:59 GMT Nick - VE3EY http://groups.yahoo.com/group/N2PK-VNA/message/5245 http://groups.yahoo.com/group/N2PK-VNA/message/5245 What is the signal output level from N2PK VNA when used as a Signal Generator? I would like to construct a simple attenuator from resistors to produce a 1uV Fri, 13 Nov 2009 22:27:00 GMT Ivan Makarov http://groups.yahoo.com/group/N2PK-VNA/message/5244 http://groups.yahoo.com/group/N2PK-VNA/message/5244 Hi Josh, There is no VNA extension that would cover up to 500MHz continuously. There are two transverters available that allow making measurements on 2m and Fri, 13 Nov 2009 21:16:48 GMT Paul Kiciak http://groups.yahoo.com/group/N2PK-VNA/message/5243 http://groups.yahoo.com/group/N2PK-VNA/message/5243 Hi Dave, You got it right. -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com Fri, 13 Nov 2009 21:07:02 GMT david529007 http://groups.yahoo.com/group/N2PK-VNA/message/5242 http://groups.yahoo.com/group/N2PK-VNA/message/5242 Hi Mike Possibly Paul's posting saying "goodbye" means he's knocked him off the group. One can but hope. Dave