Table of Contents
Advertisement
SECTION
VI
6.1 DRC Series Parts List and Schematics
Table 6.1
Model DRC -Series Circuit Board Components
REF.
LAKE SHORE
DESG.
DESCRIPTION
PART
NO.
U1
Dual Retriggerable Monostable Multivibrator
74123
U2-5
Quadruple 2-line to line Data
74157
Selector/Multiplexers
Flip-flops with Preset and Clear
U7
Hex Inverter
74C14
U8
Quadruple 2-Input Multiplexer,
8234
U9-10
8-bit Parallel - Out Serial Shift Register
74164
U11-12
Quadruple 2-Input Multiplexer, Inverting,
8234
U13
2048-bit Prom (Temperature Determination
74571
U14*
2048-bit Prom (Control Program stored)
745471
U15
2048-bit Prom (Break Point Data stored)
745471
U17
Central Processing Unit
3850
U18
Quadruple 2-Input Positive - NAND Gates
7400
u19
Hex Inverters
7404
u20-21
Precision Pair
for A-D Converters
8052A/ 7103A
U22
10
uamp
Constant Current Source
U3 1
5-volt Positive Voltage Regulator
7805CT
U32
12-volt Positive Voltage Regulator
7812CT
U33
15-volt Positive Voltage Regulator
78 15CT
U34
5-volt Positive Voltage Regulator
7805CT
U35
-15 Volt Negative Voltage Regulator
7915CT
15-Volt Positive Voltage Regulator
7815CT
U36
U40-41*
Solid State Darlington Coupled Relay
4N33
U43*
PNP Silicon Switching Transistor
2N2907
U44*
8
Ampere Darlington Power Transistor
2N6045
U101
Hex Inverters
74 04
U6
Dual D-type Positive-edge-triggered
7474
Inverting, Open-collector
Open-collector
Program stored)
U16
Memory Interface Unit
3853
U102- 105
Seven Segment Indicator
hp5082-7751
U106-109
BCD-to-seven Segment LED Decoder/Driver
9374
with Latch
U110- 11 1
8-bit Parallel-Out Serial Shift Registers
74 1 6 4
U2 01- 2 04
Quad Latch
14042
U2 05 - 2
08
4-bit Presettable Up/Down Counter
4029
U209
Quad 2-Input NAND Schmitt Trigger
14093
U210
Dual D Flip-Flop
14013
U211
BCD-to-Decimal Decoder
5042-2
U212
Low Offset Monolithic JFET
LF
355
-H
Input Operational Amplifier
*
Components in DRC-7C/70C only
40
Advertisement
Table of Contents
