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Cambridge
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Electronic Equipment
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Variable inductor, high power for ATU, 200 uH, with turns counter. ideal for loading a long wire antenna.
The coil is 5 cm in diameter and 13 cm long.
The overall length of the unit including the handle is 25 cm and the width and height are both 9 cm,
£ 18.
Instant grommet, makes any size, 1 reel, £ 1.
2 AC Relays £ 1
CALIBRATED MICROPHONE 10mV p-p for 90 dB @ 1 KHz £ 1
Computer HASH FILTER £ 2
CROSS TRACKED Veroboard 0.2"
(for diode matrix). 0.2" pitch, 3" x 8" (slip of folded paper on images to identify sides) £ 1
CROSS TRACKED Veroboard 0.1"
(for diode matrix). 0.1" pitch, 8" x 8", 4 available (slip of folded paper on images to identify sides) £ 2 each
HIGH POWER transistors, 4 off £ 1
2 x QQVO310, ex working equipment £ 2
Massive HEATSINK, with 4 power transistors £ 4
Joystick, x and y potentiometers, £4, postal weight
Audio lead 3.5mm mono plug to 3.5mm mono plug, 2m long - several available £1 each
QWERTY keypad, 4 rows of 10 keys, similar to Sinclair ZX81 - many available £1 each
Mains PSU and relay on PCB £ 2
METER, 1.6mA, scaled 0-8 kV 4" dia £ 2
METER, 50-0-50 uA 6" dia £ 8
PTT MICROPHONE case, needs insert £ 2
2 Dynamic MICROPHONE inserts £ 1
BROWNS "F" headphones, 45 ohms, £14, postal weight 600 g
BROWNS "F" headphones, 150 ohms, £14, postal weight 600 g
Ribbon microphone magnet, small Reslo type with ribbon clamps,
get good results with a ribbon made by corrugating aluminium foil from
a paper capacitor - ask for some,
£4, postal weight 200 g
Throat microphones, pair of transducers, £1, postal weight 200 g
Telescopic Antenna, 34 feet in 6 sections, Canadian army, some collet clamps rusted
but should free with WD40 - collapsed to 15ft now, £14
Power supply for R390 receiver (different to psu for R390A), by Collins, £8
WS18 TX, many parts missing, £2
R208 audio filter, £2, postal weight 1080g
70cm RX front end, 7 tuned lines, rf amplifier and mixer,
silver plated, BNC connectors, professionally made - probably by Pye,
12V, £4
400 MHz receiving amplifier, probably from satellite receiver, £4
Sinclair 6V Pocket TV £8
Auto transformer 150VA, RS, 115, 200, 220, 240V
15 A ac meter
1 rev/week synchronous motor 200-250V, 50Hz £2
1 rev/5 minutes synchronous motor 1/8" shaft, 200-250V, 50Hz, 2W £1.50
1 rev/minute synchronous motor 1/8" shaft, 200-250V, 50Hz, 2W,
3 available, £2 each.
1 rev/4 seconds synchronous motor 1/8" shaft, 200-250V, 2W, 50Hz £1
1 rev/2 seconds synchronous motor 200-250V, 50Hz £1
Solderless prototype board, 5" x 3", £2,
6 digit counter, with zero reset knob, 240V, Veeder-Root, £2
Please e-mail martincambridge@live.co.uk
to
- make sure an item is still available
- reserve an item, normally for 2 weeks
- get more details or pictures
- get U.K. postage and payment details
- get cost of insured airmail to your country