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diode

circa 1960

mounting

circa 1950

transistor & diodes

circa 1950

transistors

circa 1950

GET 3 transistor

circa 1950

circuit element

circa 1950

MIC transmission lines

circa 1950

components for crystal diode

circa 1950
Two units - S-band switch. c.1950

switch

circa 1950
First example of branch arm coupler on glazed ceramic (SYNTOX) together with four later examples on saphire. 1965/66

branch arm coupler

1965/66
three pieces - X-band MIC balanced mixers 1966

balanced mixers

1966
Three units, first X-band balanced mixer, second production example of X-band mixer, third S-band balanced mixer. c .1950

balanced mixers

circa 1950
Tuneable x-band gunn oscillator with coaxial output. c.1950

gunn oscillator

circa 1950
Germanium P-N-P transistor GET 105 c.1950

GET105 transistor

circa 1950
4 examples of MIC circulator. c.1950

MIC circulator

circa 1950
Eight resitors used in the evaluation of noise / temperature ratio of detector / mixer crystal diode of resistor. c.1950

resistors

circa 1950
x-band gunn oscillator wave guide output. c.1950

gunn oscillator

circa 1950
Composite encapsulated microwave planar diode, 162 x circular, 7 square, sample sheet of shim showing production technique for twelve diodes, single diode in seperate container.

planar diode

circa 1970
Test rig for LID mixer diode together with components for producing point contact diode.

mixer diode test rig

circa 1950