[TenTec] Omni 6+ 5 to 5.5 MHz VFO IF

[Dukes HiFi]

Thanks!

Yeah, I remember those in the tuners.

I would guess Ten Ten did not use anything but off-the-shelf electronic parts back then. Not enough volume or value to justify custom devices.

Gary


> On Nov 28, 2016, at 7:55 PM, Al Gulseth <wb5jnc at centurytel.net> wrote:
> 
> A quick check on line looks like it was designed for/used in TV tuners. Worst 
> case you might be able to find one to "re-purpose" in a TV set of that era?
> 
> 73, Al
> 
> On Mon November 28 2016 5:38:57 pm Dukes HiFi wrote:
>> I was able to take a macro photo of this transistor.
>> 
>> In Photoshop I was able to read the number as BF988.
>> 
>> I bought one on eBay, hopefully it is not an empty.
>> 
>> Gary
>> 
>>> On Nov 28, 2016, at 5:07 PM, Dukes HiFi <dukeshifi at comcast.net> wrote:
>>> 
>>> The later Omni 6+ uses a 4 pin dual gate MOSFET for the feedback loop IF.
>>> 
>>> It is a black round device as opposed to the earlier 3SK301. It does not
>>> use the ferrite bead on the one gate.
>>> 
>>> Does anyone know the number for this device or a suitable replacement?
>>> 
>>> I can’t read the number on the one I am repairing but it begins with
>>> “BT”.
>>> 
>>> Gary
>>> 
>>> W0DVN
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>> 
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