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circuit element

circa 1950

components for crystal diode

circa 1950

transistor & diodes

circa 1950

diode

circa 1960

mounting

circa 1950

MIC transmission lines

circa 1950

transistors

circa 1950

GET 3 transistor

circa 1950

three pieces - X-band MIC balanced mixers 1966

balanced mixers

1966

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

gunn oscillator

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

balanced mixers

circa 1950

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

GET105 transistor

circa 1950

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

gunn oscillator

circa 1950

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

resistors

circa 1950

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

mixer diode test rig

circa 1950

4 examples of MIC circulator. c.1950

MIC circulator

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