WE ARE RICH ELECTRONICS
WE PURCHASE SURPLUS ELECTRONIC COMPONENTS AND EQUIPMENT!
For sale here we have the following vintage Varactor Diode…
μA ML31902 MK2 Case Style ODS 186
μA – Microwave Associates Semiconductor Div, Dunstable Beds.
The varactor diode provides a way of having a voltage controlled variable capacitance in a circuit.
Originally founded in the USA (Boston Mass.) they later became MACOMM
This part came to us as part of a lot of surplus stock from a large Milspec type OEM and has been kept in storage for some time, we have therefore classified it as ‘new other’ this being the most suitable description available, it is still in it’s original μA plastic case and as far as we can tell still serviceable, the photographs are representative of it’s general condition, unfortunately we can find no other data on this vintage part other than some background info on Microwave Associates, this follows…..
Microwave Associates is founded
in a loft in Boston, Massachusetts
with $10,000 in cap
Throughout the 60s (and the 50s as well),
Microwave Associates produces microwave
components used as building blocks for
radar, missile and communications
equipment on the Polaris submarine,
B-52 bomber, Mariner II Venus Probe, and
the Telstar satellite.
March 6, 1959 – Pioneer IV, the first U.S. spacecraft
placed in solar orbit, carries a
parametric amplifier employing
a Microwave Associates varactor
with a noise figure of 1 dB.
1962 – Microwave Associates goes international,
opening Microwave Associates, Ltd. in
Dunstable, England, to meet the needs of
the emerging microwave market in Europe.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.