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G8MNY > TECH 16.05.08 08:58l 70 Lines 3127 Bytes #999 (0) @ WW
BID : 56107_GB7CIP
Read: GUEST
Subj: Lab Breadboard
Path: IZ3LSV<IQ0LT<IK2XDE<I0TVL<HG8LXL<CX2SA<GB7CIP
Sent: 080516/0010Z @:GB7CIP.#32.GBR.EU #:56107 [Caterham] $:56107_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To : TECH@WW
By G8MNY (Updated Nov 07)
(8 Bit ASCII Graphics use code page 437 or 850)
Many years ago I bought a scrap 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 breadboard lab.
ñ5V <ÄÂÄÄÄ¿
_________________________________ ñ0-18 <Ä´PSUÃ<Off/onÄ Mains
³ Raised Top ³\ 5V float <ÄÁÄÄÄÙ
³________________________________³ \
\ onø (o) 7seg DVM \ \ Sine <ÄÂÄÄÄ¿
\offø Freq 8 8 +1.99 \ \ Traingle <Ä´OSCÃÄ<ñ5V
\ O O 12345678 O \ \ Square <ÄÁÄÄÄÙ<Freq
\ Band Level LEDs Range \ Ý
³~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~³ Ý Range ÚÄÄÄ¿
³ + var - .JK. [DIP] (o)(o)(o)(o) ³ B Ý ³DVMÃÄ<Float 5V
PSUs ³ O V O ........ ... . . . . ³ aÞ Input >ÄÁÄÄÄÙ
³ :ÚÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄ¿³ sÞ
³ :³ úúúúú ³ úúúúúú ³ ³³ eÞ Volume >ÄÂÄÄÄ¿
Volume ³ O Afú :³:±± ±±:³:±± ±±:³ ³³ Ý ³AmpÃÄ<ñ5V
³ :³:±± ±±:³:±± ±±:³Bread-³³LSÝ LS <ÄÁÄÄÄÙ
Switches³ !!!! :³:±± ±±:³:±± ±±:³boards³³ Ý
³ :³:±± ±±:³:±± ±±:³ ³³ Þ LEDs <ÄÂÄÄÄÄÄÄÄ¿
³ :³:±± ±±:³:±± ±±:³ ³³ Þ ³DriversÃÄ<+5V
Switches³ ! ! :³:±± ±±:³:±± ±±:³ ³³ Þ Inputs >ÄÁÄÄÄÄÄÄÄÙ
³ :³:±± ±±:³:±± ±±:³ ³³ Ý
³ :³:±± ±±:³:±± ±±:³ ³³ Ý Switches Ä< ñ5V
Push ³ o o :³ ..... ³ ...... ³ ³³ Ý
Buttons³ :ÀÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÙ³Þ Flip O/P <ÄÂÄÄÄ¿
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÙ ³J KÃÄ<+5V
Input >ÄÁÄÄÄÙ
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 +18V DC @ 800mA max, & 0 -18V DC @ 500mA max.
OSCILLATOR: 1Hz - 100KHz in 4 decade ranges. output:-
Square, & Ramp Outputs ñ5V. Sine output variable to ñ3V constant level with
filtered buffer amp.
AF AMPLIFIER & LS: (added by me) High gain audio monitor amplifier & gain
control with internal LS or 1W into 8ê 3.5mm output jack. 100k input Z.
LOGIC TOOLS:
4 logic level switches 0 5V,
2 centre off logic level switches -5 0+5V,
2 Press buttons +5v or 0V pressed.
A J-K Flip Flop gate.
8 data display LEDS with drivers, +5V for on.
2x 7 segment displays with drivers.
COMPONENT PATCH BREAD BOARDS
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 wire sockets.
3« DIGIT DC VOLT METER
Isolated meter, 10Mê Input.
Ranges 0-200mV, 0-2V, 0-20V, 0-200V.
Why don't U send an interesting bul?
73 De John, G8MNY @ GB7CIP
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