Heathkit EC 1 Schematic

Page 2

OPERATIONAL AMPLIFIER «I , OPERATIONAL Ans-LINER :rs

1/2 SUB

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AMPLIFIERS 2 THRONGI-I 5-
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FRONT
PANEL
AMPLIFIER
CONNECTIONS R2,
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REPETITIVE OSCILLATOR men-s
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METER FUNCTION
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OPERSAIIIONAL
(MU who» am. BINDING I
PIZSTS 0N PANEL gas: as: as.
w: w: " 3," 2:01 2.1 5°- 0-50 m
E: w my new
2
COEFFICIENT POTENTIOME TER5 l 3 4 VEL

ON PANEL
up an , g
, ALL SWITCHES VIEWED FROM THE REAR.

METER@;ANGE ALL RESISTANCE IN OHMS, WITH 1000 = K
W AND 1,000,000 = M.

ALL RESISTORS 1/2 WATT UNLESS OTHERWISE
SPECIFIED.

S
(Orr rasmou)

-, . ALL CAPACITANCE IN MICROFARADS UNLESS
SCHEMMIC OTHERWISE SPECIFIED.

HEATHK" EUCAT'ONAL ELECTRONIC ALL VOLTAGES MEASURED WITH RESPECT TO

ANAOG COMPUTER CHASSIS GROUND EXCEPT INITIAL CONDITION
MODEL ECwI POWER SUPPLIES WHICH ARE MEASURED WITH
RESPECT To THE NEGATIVE OF THE POWER
SUPPLY.

NO FEEDBACK RESISTORS USED ON AMPLIFIER