Thanks for the info Magnus. Regards - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell, NJ, 07731 732-886-5960
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Magnus Danielson Sent: Saturday, September 24, 2005 6:33 PM To: time-nuts@febo.com; [EMAIL PROTECTED] Subject: Re: [time-nuts] Distribution Amp From: xaos <[EMAIL PROTECTED]> Subject: Re: [time-nuts] Distribution Amp Date: Sat, 24 Sep 2005 13:21:33 -0400 Message-ID: <[EMAIL PROTECTED]> > This unit might be 75Ohms. This unit is 75 Ohm. The user guide is on the web. http://www.extron.com/download/files/userman/ADA6ComponentB.pdf Cheers, Magnus > George, N2FGX > > Mike Feher wrote: > > >This is for general information in case someone else needs an inexpensive > >distribution amplifier for a frequency source. Just yesterday I received the > >following distribution amp that I purchased on ebay - > >http://tinyurl.com/bqalz . So far I have only completed some minimal > >testing, as I am in the process of moving my lab but satisfied myself that > >this would really do the job nicely. As you can see on the ebay ad it is > >made for HDTV. It has 3 inputs and each input has six outputs. The inputs > >can be DC or AC coupled. The testing I performed was at 10 MHz. I fed it > >with one of my rubidiums with about a 7.8 dBm signal. The output on each of > >the six output channels was about 7.3 dBm. This was the same regardless of > >the input used or the output measured or of any loading on the other > >outputs. It will be ideal to drive a bunch of test equipment simultaneously > >from the same source. I did not yet measure any input to output phase shift > >or output to output phase difference. Besides, as long as it is constant I > >do not care. The outputs are also not isolated, but for what I want it for > >that is OK as well. I intend to put an amplifier and a splitter on the > >rubidium so I can drive all three ports at once giving me 18 frequency > >correlated outputs. I am very pleased with the purchase. It is also small, > >another benefit. I did not see any increase in the noise floor as compared > >to the rubidium, nor did I see any extraneous spurious. The output, except > >for the minimal signal loss was essentially identical to the input. 73 - > >Mike > > > > > > > >Mike B. Feher, N4FS > >89 Arnold Blvd. > >Howell, NJ, 07731 > >732-886-5960 > > > > > > > > > > > > > >_______________________________________________ > >time-nuts mailing list > >time-nuts@febo.com > >https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > > > > > > > > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts