[time-nuts] Minicircuits 10% discount in December
kb8tq at n1k.org
Thu Nov 27 18:54:44 EST 2014
> On Nov 27, 2014, at 5:10 PM, Gerhard Hoffmann <dk4xp at arcor.de> wrote:
> Am 27.11.2014 um 23:30 schrieb Bob Camp:
>> Finding the RF transformer parts is still a bit of a challenge.
> No. These work quite good for me:
> CX2074 4:1 CT
> CX2147 1:1 CT
To get back to the original post:
Which Fair-Rite cores listed on Mouser can be used for making transformers?
There are a variety of people making pre-wound parts.
> < http://www.digikey.de/product-search/de/rf-if-and-rfid/balun/3539019?k=cx2074 >
> The 1:1 is optimum for the NIST doubler at the sources, btw.
> The 4:1 as an autotransformer 9:1 at the drains. (2*BF862).
> Gives you 13 dBm @ 2f for 13 dBm in at 1f upto 40 MHz in.
> Still searching a good balun xformer for 800 MHz in.--> 1600 out.
> regards, Gerhard
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