Germanium diodes

L

lexderr

Guest
I have been reading a book called "Bench Test Circuits for
Surveillance and Countersurveillance Technicians" by Tom Larsen and
have been trying to locate "wide-band-width 5GHz range Germanium diode
with a lover than normal forward voltage to use in a bug dectector
listed in his book. Anyone got any ideas?
Thanks
 
lexderr wrote:
I have been reading a book called "Bench Test Circuits for
Surveillance and Countersurveillance Technicians" by Tom Larsen and
have been trying to locate "wide-band-width 5GHz range Germanium diode
with a lover than normal forward voltage to use in a bug dectector
listed in his book. Anyone got any ideas?
Thanks
Click to expand...
How about a 1N21E still in the military lead pack.
Make an offer,
mike

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"lexderr" <lexderr@seanet.com> wrote in message
news:l00db0lpjjp95n8j1v4d7vbgn41m2b8kil@4ax.com...
I have been reading a book called "Bench Test Circuits for
Surveillance and Countersurveillance Technicians" by Tom Larsen and
have been trying to locate "wide-band-width 5GHz range Germanium diode
with a lover than normal forward voltage to use in a bug dectector
listed in his book. Anyone got any ideas?
Thanks
Click to expand...
1N5711 Schottky signal diodes are used for VHF and UHF work and are
available on Ebay for fairly cheap. But any old 1N60 or other low
capacitance video detector should work somewhat. The leads on the
diode can act as a dipole antenna and pick up wavelengths that are up in
the GHz range.

ALso you might consider a microwave oven leakage detector. They're not
as sensitive, but then you could put additional circuitry into one to
boost the sensitivity. Also radar detectors for the car.

If you're serious about that stuff, then you should check out some of
the websites that offer that kind of equipment. They want some serious
money for this stuff.

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I have a bunch of hot carrier diodes left over from an old 2 GHz project. They
may work at 6.

If the OP will email me I will mail a couple for free.

Don
 
My address is Charles Derr, 7711 Greenwood Ave N #202, Seattle, WA
98103. email is lexderr@seanet.com.
Thank you in advance.
Chuck


On 28 May 2004 16:25:20 GMT, dbowey@aol.com (Dbowey) wrote:

I have a bunch of hot carrier diodes left over from an old 2 GHz project. They
may work at 6.

If the OP will email me I will mail a couple for free.

Don
Click to expand...
 
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