Keithley 224 User Manual

Table 6-4. Analog Board, Parts List
Circuit
Location
Keithley
Desig.
Description
Sch Pcb Part No.
u301
Operational Amplifier, AD3247
El c2 IC-77
u311 Integrated Circuit D/A Converter, DAC80-CBI-V E4 82 IC-323
U312 Operational Amplifier, AD3247
~ F4 B3 IC-248
u313 Quad Comparator, LM339 SEV B3 IC-219
u314 Quad 2 Input NAND, 4011 SEV c3 IC-102
u315 Operational Amplifier, AD3247 84 c3 G-77
U316
Hex Inverter, 16-Pin, 4049
SEV D3 IC-106
u317
Quad Comparator, LM339
SEV C3 IC-219
U318 Decoder/DemuItiplexer, 14555
SEV C3 IC-312
u319 Op Amp, AD515K D2
B3 IC-241
U320
High/Voltage, High/Current Transistor Array, VLN2003A
c5
C3 IC-206
VR301 +5V Regulator, 7805 B6
D5 IC-93
*Order heat sink (HS-22) and heat sink mounting kits (MK-16) and (MK-20) with these parts.
6-10

Keithley 224 Specifications

General

Brand	Keithley
Model	224
Category	Power Supply
Language	English