Re: [Repeater-Builder] Sinclair MR356-2 Tune-up

2006-04-16 Thread WYSOCCER
Jeff and Nate, Thank you for the info and suggestions. And yes, this is my first duplexer... I do have access to a sweep setup so I will try that first. No, I will not use a transmitter!!! Bad juju I do not need! Again, my thanks and have a great weekend. 73, Marc W1MBT Trustee Y

Re: [Repeater-Builder] Sinclair MR356-2 Tune-up

2006-04-16 Thread Nate Duehr
Jeff DePolo wrote: > 1. Hook up the sig gen to the port labeled "Tx" or "low pass". Hook up the > receiver/detector to the "Rx" or "high pass" port. Terminate the antenna > port with a good load. Also (a side comment, hopefully helpful), do NOT replace "sig gen" in Jeff's comments with a high

RE: [Repeater-Builder] Sinclair MR356-2 Tune-up

2006-04-15 Thread Jeff DePolo
> 1. Do the low side tuning rods (3 cavities) affect the high > side tuning > (3 cavities)? Very little, if any. > 2. Since there is no way to use (or measure) just one cavity section > (they are hardwired together), how does the tuning of one rod > affect the > others? Do you just start

[Repeater-Builder] Sinclair MR356-2 Tune-up

2006-04-15 Thread WYSOCCER
Hi Guys, I have a MR356-2 duplexer (6 cavity unit) which needs to be tuned to a new frequency. The original freq pair is 462/467 Mhz and the new freq pair is 441/446. I have the tuning instructions from Sinclair so I know how to set up the equipment, but the actual tuning info is sparse (or