Nigel Thanks for this. I think you are right. Off to find another way of measuring this.
Thanks Adrian MW1LCR -----Original Message----- From: Nigel Gunn G8IFF/W8IFF [mailto:[email protected]] Sent: 20 January 2010 15:01 To: [email protected] Cc: [email protected] Subject: Re: [Drakelist] TR7 Your DFM might be 50R input impedance and killing the signal. On 20-Jan-10 14:38, Adrian Rees wrote: > Hello all > > Quick question about the TR7 PBT/Reference Board. According to the > manual I should have 40MHz on Pin 19. This pin is connected to a 470 > Ohm Resistor then to coax and back to the Transistor. I should be able > to measure 40MHz on this pin. I can do that fine. > > The next step in alignmnet is 13.695MHz VCXO adjustment. According to > the manual I should be able to connect a DFM to PIN 17 and adjust > L1005 for exactly 53.695MHz (13.695 + 40MHz). On Pin 17 I cant measure > anything. Zip. Although the RX is working fine. > > Are the Pin outs correct, and how did Drake number the edge connectors > ? Top down or ??? > > Thanks > > Adrian MW1LCR > > > _______________________________________________ > Drakelist mailing list > [email protected] > http://mailman.zerobeat.net/mailman/listinfo/drakelist > > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.730 / Virus Database: 270.14.151/2633 - Release Date: > 01/19/10 17:49:00 > -- Nigel A. Gunn, 1865 El Camino Drive, Xenia, OH 45385-1115, USA. tel +1 937 825 5032 Amateur Radio G8IFF W8IFF (was KC8NHF), e-mail [email protected] www http://www.ngunn.net Member of ARRL, GQRP #11396, QRPARCI #11644, SOC #548, Flying Pigs QRP Club International #385, Dayton ARA #2128, AMSAT-NA LM-1691, AMSAT-UK 0182, MKARS, ALC, GCARES, XWARN. _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
