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digicom.2
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1990-09-03
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2KB
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37 lines
DIGICOM.2
========================================================
TRACE SIDE VIEW
: :
: :
: TO 2211 :
: 6/7 :
: GND ~ :
: + + :
: + + :
: 100K+ + :
: B>-####-->+ :
: + + +:
:+ ++ >+++++++ / CUT TRACE:
:+ + E / +:
:+ GROUND + C>++++++ GND +:
:+++++++++++ + + ++++++++:
.......... + + + + + + .........:
: * * * * * * :
: * * * * * * :
:=*==*==*==*==*==*=:
1 2 3 4 5 6
1.CUT THE TRAC
E AS SHOWN BETWEEN 6/7 2211 TO 4/6 EDGE CONNECTOR
2.ADD THE 2N3904 THIS WAY: COLLECTOR: TO 4/6 EDGE CONNECTOR
OK TO MOUNt ON TRACE EMITTER: TO GROUND PIN 1 EDGE CONNECTOR
SIDE. BASE: IN SERIES WITH A 100K RESISTOR
TO PIN 6/7 OF 2211 CHIP
3. ADD .001 CAPS TO EDGE CONNECTOR PIN 3 TO GND
PIN 5 TO GND
PIN 4/6 TO GND
CONTINUED IN FILE DIGICOM.1