Re: [time-nuts] HP 117 from ebay

2013-07-26 Thread paul swed
Perry Glad the 117 found a home. That said don't be so quick to modify it. As an example the 3 nuvistors give an outstanding 120 db of gain. Hey if they work leave'em. Same goes for the dividers. But that said if something really is sick modify it. I would plan to if either of mine has a failure. I

Re: [time-nuts] HP 117 from ebay

2013-07-26 Thread J. Forster
IMO, it is unlikely you will be able to form the loop by hand on a mandrel. I'd suggest a commercial conduit bender for that trade size conduit and work your way along the tubing a few inches at a time. -John === > > >   > List, >   > I bought one of them for several reasons bes

[time-nuts] HP 117 from ebay

2013-07-26 Thread Perry Sandeen
  List,   I bought one of them for several reasons besides that I really wanted it.   1.  There is plenty of real estate to install Paul’s demod circuit.   2.  It is large enough so the nuvistors can be replaced with dual gate mosfets (I have lots of them). Also sometimes replacement nuvistors ca