[Boatanchors] Smart People: 2SD882 = 12V, What = 24V?

[rbethman]

Dave and others,

Do a search on the E-Pay place.

You can get 5 MRF426s for $39.95.

There are plenty of this series still available.

I didn't check the others, but I'm sure you can find them there.

Regards, Bob - N0DGN


On 4/1/2015 1:38 PM, Ian Wilson wrote:
> Hi Dave,
>
> My 1986 Motorola device selection guide has (bipolar, 30MHz
> use, Vcc=28V, 25W PEP/CW):
>
> MRF401
> MRF426
> MRF426A
>
> There are others for different output powers and for Vcc=50V.
>
> Perhaps some of these are still available?
>
> 73, ian K3IMW
>
>
> On Wed, Apr 1, 2015 at 9:29 AM, David Stinson <arc5 at ix.netcom.com> wrote:
>
>> Smart People: This is boatanchor related; honest.
>>
>> 2SD882 works well in low-power transmitter PAs
>> with Vcc of 12 volts.  Vceo max is 30 Volts.
>> Data sheet is at:
>> http://www.farnell.com/datasheets/1700516.pdf
>> Diagram of circuit (missing T1 secondary connection):
>> http://home.netcom.com/~arc5/RockmitePA.jpg
>>
>> Can someone suggest a device with similar gain that one could use in a
>> similar circuit with a Vcc of 24-28 Volts?