Hej Magnus,
On Mon, 20 Apr 2009 01:06:57 +0200, Magnus Danielson wrote: >> >> Did somebody alredy look inside the metal case of the 10514A? >You made me remember I needed too.... >> Will it perhaps possible to reconnect the common ground connections >> such a way that the mentioned loops can be opened? >Yes. The grounds is separated on the PCB, so it is only on the front >plate that they actually interconnect when the BNCs screw tight. >What's inside then? >Well, there is 4 small torroid cores (as compared to the 10534A which >has only two cores). It also has 4 diodes (marked as HP 82) and 2 50 Ohm >resistors. >The L and R ports have an isolational transformer each, with the 50 Ohm >resistor loading on the secondary side. A inner transformer then >follows, with two secondaries, hooked up like expected for a double >balanced mixer. Essentially this is a double balanced mixer with >additional isolational transformers and 50 Ohms terminations. >This does not match the datasheet from MiniCircuit for ZP-10514: >http://www.minicircuits.com/pdfs/ZP-10514.pdf >Cheers, >Magnus thanks to your response the informations went deeper into very informative details, so I know what to do. I will take one of these relay metal cans and have a critical inside look... For the moment I am fully satisfied, thank you to everybody, Arnold _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
