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G8MNY > TECH 15.02.26 17:16l 80 Lines 3537 Bytes #10 (0) @ WW
BID : 52180_GB7CIP
Subj: Lab Breadboard
Path: JH4XSY<JE7YGF<LU4ECL<LU9DCE<GB7YEW<GB7CIP
Sent: 260215/0807Z @:GB7CIP.#32.GBR.EURO #:52180 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To : TECH@WW
By G8MNY (Updated Nov 20)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)
Many years ago I bought a AT102 Digital Lab by "A-Tek". It is a mains powered
electronics breadboard laboratory using 0.5mm wire connectors. I have use it
quite a bit, but there is no reasion why anyone could not build up there own
version of a breadboarding lab.
5V <Ŀ
_________________________________ 0-18 <ĴPSU<Off/onMains
Raised Top \B 5V float <
________________________________ \A
\ on (o) 7seg DVM \ \C Sine <Ŀ
\off Freq 8 8 +1.99 \ \K Traingle <ĴOSC<5V
\ O O 12345678 O \ \ Square <<Freq
\ Band Level LEDs Range \
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Range Ŀ
+ var - .JK. [DIP] (o)(o)(o)(o) B >ĴDC DVM<Float 5V
PSUs O V O ........ ... . . . . aB Inputs >
:Ŀ s
: eO Volume >Ŀ
Volume O Af :: :: : Amp<5V
:: :: :Bread-LST LS <
Switches !!!! :: :: :boards
:: :: : T LEDs <Ŀ
:: :: : Drivers<+5V
Switches ! ! :: :: : O Inputs >
:: :: :
:: :: : M Switches < 5V
Push o o : ..... ......
Buttons :ٳ Flip Output <Ŀ
J K<+5V
F R O N T Input >
POWER SUPPLY: a multi wound & tapped transfomer provides DC voltages to various
regulators to give;- Fixed: +5V DC @ 2A max, & -5V DC @ 500mA max. A floating
+5V for the DVM, Variable: 0 to +18V DC @ 800mA max, 0 to -18V DC @ 500mA max.
OSCILLATOR: 1Hz - 100kHz in 4 decade ranges. output:-
Square, & Ramp Outputs 5V. Sine output variable to 3V constant level with
buffer amp. (added CR filters, to improve shape)
AF AMPLIFIER & LS: (added as room inside) High gain audio monitor amplifier and
gain control with internal LS or 1W into 8 3.5mm output jack, 100k input Z.
LOGIC TOOLS:
4 logic level switches give 0 & 5V,
2 centre off logic level switches give -5, 0, +5V,
2 press buttons +5v or 0V pressed,
1 J-K Flip Flop gate,
8 data display LEDS with drivers, +5V for on,
2x 7 segment displays with drivers.
COMPONENT PATCH BREADBOARDS
Two 48 row component boards for 0.5mm wires etc.
For 0.4" DIL ICs, bus surround. & for 0.2" DIL ICs, bus surround.
EXTERNAL CONNECTION CONVERTERS
Four 4mm wander sockets to 0.5mm wire sockets.
3 DIGIT DC VOLT METER
Isolated meter, 10M Input.
Ranges 0-200mV, 0-2V, 0-20V, 0-200V.
USES
Plug in Rs, Cs, transistors, IC etc to make a test circuit up. I keep long lead
components for use in it, and I often make up actual circuits with short lead
recovered components etc. Quite useful for AF responce checks & even some
complex analoge & digital IC setup tests.
Why don't U send an interesting bul?
73 De John, G8MNY @ GB7CIP
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