[time-nuts] Minicircuits 10% discount in December

[Jim Lux]

On 11/27/14, 3:10 PM, Gerhard Hoffmann wrote:
> Am 27.11.2014 um 23:30 schrieb Bob Camp:
>> Hi
>>
>> 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
>
> <
> 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.
>

Analog Devices seems to use these for their various application circuits
Up to 3 GHz is the Mini-Circuits TC1-1-13.
 From 3 GHz to 4 GHz is the Johanson Technology
3600BL14M050.
 From 4.9 GHz to 6 GHz is the Johanson Technology
5400BL15B050.