[time-nuts] Portable standard - Rb query

2011-04-06 Thread Murray Greenman
Joe, I have several of the FEI units. You pay more for these, because (assuming you get the right one) they have a DDS synthesizer included, which (with suitable modification) allows them to operate from about 1kHz to 15MHz in 10mHz steps. Some models require +15V and +5V, others just +15V. My

Re: [time-nuts] Portable standard - Rb query

2011-04-06 Thread Joseph Gray
Murray, Do you have any details on the DDS? How difficult is it to change on the fly if I wanted to? Is the FE-5680A that you like +15V only? Joe Gray W5JG On Wed, Apr 6, 2011 at 12:34 PM, Murray Greenman murray.green...@rakon.com wrote: Joe, I have several of the FEI units. You pay more

Re: [time-nuts] Portable standard - Rb query

2011-04-06 Thread paul swed
Quick? How much do you want to pay? $1500 perhaps. On Wed, Apr 6, 2011 at 3:47 PM, Joseph Gray jg...@zianet.com wrote: Murray, Do you have any details on the DDS? How difficult is it to change on the fly if I wanted to? Is the FE-5680A that you like +15V only? Joe Gray W5JG On Wed,