[Amps] HF 30 dB Coupler

[Richard Solomon]

The N4GA device looks like just what I need.
Thanks for all the replies.

73, Dick, W1KSZ

On Tue, Jun 15, 2021, 4:45 PM Rejean Leveille <rejva2am at gmail.com> wrote:

> Hi
> There also is one from *www.preciserf.com <http://www.preciserf.com> *for
> -30 dB sampler +1.5 kw if you did not want  to build your own attenuator.
>
> 73, Rejean
> va2am
>
>
> On Tue, Jun 15, 2021 at 3:29 PM sm0aom--- via Amps <amps at contesting.com>
> wrote:
>
>> If money is no object, the Werlatone series of dual directional couplers
>> are
>> very good.
>>
>> I am using the C5425 50 dB 1200 W coupler in a transmitter spectral
>> purity
>> test setup and am quite pleased.
>>
>> The flatness in the 5-150 MHz range is in the +/- 0.2 dB region, and the
>> mid-band
>> coupling accuracy about what could be reliably measured using a
>> Rohde&Schwarz VNA,
>> in the order of 0.5 dB. The directivity is better than spec, about 30 dB
>> mid-band.
>>
>>
>> 73/
>> Karl-Arne
>> SM0AOM
>>
>> ----Ursprungligt meddelande----
>> Från : doug at dougronald.com
>> Datum : 2021-06-15 - 21:12 ()
>> Till : dickw1ksz at gmail.com, Amps at contesting.com
>> Ämne : Re: [Amps] HF 30 dB Coupler
>>
>> Werlatone model C10568 fits your requirements; 30 dB coupling, flat (+/-
>> 0.5
>> dB) over 1.5 through 32 MHz, 1500 Watts CW, and a directivity of 25 dB.
>> You
>> won't like the price, but this model shows that a coupler could be crafted
>> by a hobbyist with the proper design. It's dual directional too, so you
>> could obtain a VSWR measurement if you wanted it.
>> Doug, W6DSR
>>
>> -----Original Message-----
>> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Richard
>> Solomon
>> Sent: Monday, June 14, 2021 17:12
>> To: Amplifiers <Amps at contesting.com>
>> Subject: [Amps] HF 30 dB Coupler
>>
>> Looking for an HF (3-30 MHz) Coupler
>> for rf measurements. HB or commercial
>> will do. Accuracy is not important but
>> flatness would be a concern.
>>
>> 30dB port would do.
>>
>> Any suggestions ?
>>
>> Tnx, Dick, W1KSZ
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>
>
> --
> *Réjean Léveillé*
>