[time-nuts] Balanced Mixer App Note

[Bob Camp]

Hi

The article I'm thinking about goes into all the nasty details of selecting and sorting discrete diodes to make mixers. I seem to recall the first sort was for voltage matching between individual diodes. 

Bob


On Mar 27, 2010, at 11:05 AM, Ulrich Bangert wrote:

>> It's not real clear that building a part with monolithic 
>> diode pairs or quads buys much over a part from MiniCircuits. 
> 
> Rumours are that the famous HP10514 is made from 4 discrete hand selected
> diodes. If you have thousands of diodes to select from building your own
> mixer may give sense.
> 
> Best regards
> Ulrich Bangert
> 
>> -----Ursprungliche Nachricht-----
>> Von: time-nuts-bounces at febo.com 
>> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Bob Camp
>> Gesendet: Samstag, 27. Marz 2010 15:34
>> An: Discussion of precise time and frequency measurement
>> Betreff: Re: [time-nuts] Balanced Mixer App Note
>> 
>> 
>> Hi
>> 
>> If you dig into the back issues of Ham Radio magazine, there 
>> are some good articles that get into a lot more detail than 
>> that app note does. I suspect that there are articles in the 
>> other mags as well. 
>> 
>> It's not real clear that building a part with monolithic 
>> diode pairs or quads buys much over a part from MiniCircuits. 
>> 
>> Bob
>> 
>> 
>> On Mar 27, 2010, at 1:23 AM, Brian Kirby wrote:
>> 
>>> I found a application note that shows how to make your own double 
>>> balanced mixer.
>>> 
>>> http://www.avagotech.com/docs/AV02-1100EN
>>> 
>>> Brian - KD4FM
>>> 
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