Re: [time-nuts] Signal Hound

2013-04-15 Thread Don Latham
Hi Jim: I have one of the earlier versions of this instrument, along with its companion signal generator. Although the software has some annoying glitches at present, I've found it useful around the shop. There;s a user group on Yahoo, and I think the factory is getting ready to open the software

Re: [time-nuts] Signal Hound

2013-04-15 Thread Orin Eman
There is a yahoo group for the Signal Hound. For one user, the original Signal Hound showed really poor phase noise performance with an external reference with the internal reference always being better... see the External ref vs internal ref.pdf document on the yahoo group for details. The plot

Re: [time-nuts] Signal Hound

2013-04-15 Thread Dr. David Kirkby
On 04/15/13 04:39 AM, Jim Lux wrote: Inexpensive USB spectrum analyzer.. http://www.signalhound.com/ It's not that inexpensive. I assembled a 22 GHz spectrum analyzer based on the HP 7 modular measurement system for about the same money. The 22 Ghz tracking generator module is very

Re: [time-nuts] Signal Hound

2013-04-15 Thread Jim Lux
On 4/15/13 1:48 PM, Dr. David Kirkby wrote: On 04/15/13 04:39 AM, Jim Lux wrote: Inexpensive USB spectrum analyzer.. http://www.signalhound.com/ It's not that inexpensive. I assembled a 22 GHz spectrum analyzer based on the HP 7 modular measurement system for about the same money. New

[time-nuts] Signal Hound

2013-04-14 Thread Jim Lux
Inexpensive USB spectrum analyzer.. http://www.signalhound.com/ I think it has the ability to capture raw samples, too. (the BB60 definitely does.) They have a 10MHz ref input. The spectrum analyzer has a phase noise feature Phase Noise Plot : Displays the phase noise amplitude, in dBc/Hz,