Re: [time-nuts] Off the wall: anyone with experience programming HP3456A?

2005-09-10 Thread Tom Van Baak
> > Does it work, in a loop, to send 3456A commands > > to read voltage, get the response, and then 5370A > > commands to read frequency, and get a response? > > > > /tvb > > Yes, but I've been getting occasional squirrely values from the 3456A in > that mode, possibly because of a timeout and wi

Re: [time-nuts] Off the wall: anyone with experience programming HP3456A?

2005-09-10 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, John Ackermann N8UR writes: >SRQ is definitely a pain, but is hard to do without if you're doing >anything with multiple instruments on the bus; my current problem is >trying to read frequency from a 5370A and voltage from the 3456A to plot >VCO performance. Without

Re: [time-nuts] Off the wall: anyone with experience programming HP3456A?

2005-09-10 Thread John Ackermann N8UR
SRQ is definitely a pain, but is hard to do without if you're doing anything with multiple instruments on the bus; my current problem is trying to read frequency from a 5370A and voltage from the 3456A to plot VCO performance. Without the SRQ, I'm getting missing voltmeter readings. Daun Yeagley,

RE: [time-nuts] Off the wall: anyone with experience programming HP3456A?

2005-09-09 Thread John Miles
I just went through the whole SRQ annoyance with my phase-noise utility. I was trying to use them to detect end-of-sweep conditions. I ended up giving up on SRQs altogether in favor of using long (1000-second) timeout periods. They seemed kind of twitchy... if I remember right, the thing that fi