[time-nuts] 10514B mixer terminations for DMTD

2012-09-10 Thread cdelect
Hi, For DMTD work 50 ohms is usually not optimum. In the NBS design they used an effective 500 Ohms. You want to optimize for the highest amplitude. (Generally) A network of capacitor(s) and resistor(s) is usually the best way to terminate. Corby

Re: [time-nuts] 10514B mixer terminations for DMTD

2012-09-10 Thread Bob Camp
Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of cdel...@juno.com Sent: Monday, September 10, 2012 11:34 AM To: time-nuts@febo.com Subject: [time-nuts] 10514B mixer terminations for DMTD Hi, For DMTD work 50 ohms is usually not optimum. In the NBS