HP 8340B Manual page 494

Table
E-l.
Motherboard Wiring
List
Mnemonic
ADRO
ADR1
ADR2
ADR3
ADR4
AM IN
AMRTN
ATN
ATNAT1
ATNAT2
ATNAT3
ATNAT4
ATN COIL
+
ATNTH1
ATNTH2
ATNTH3
ATNTH4
BVSWP
DAV
DBO
DB1
DB2
DBS
DB4
DBS
Description
INSTRUMENT
I/O ADDRESS BUS BIT 0
INSTRUMENT I/O ADDRESS BUS BIT
1
INSTRUMENT
I/O
ADDRESS BUS BIT 2
INSTRUMENT
I/O
ADDRESS BUS BIT 3
INSTRUMENT
I/O
ADDRESS BUS BIT 4
AMPLITUDE MODULATION INPUT
AMPLITUDE MODULATION GROUND RETURN
IEEE 488 ATTENTION (ATN)
ATTENUATOR ATTENUATION CARD
1
ATTENUATOR ATTENUATION CARD 2
ATTENUATOR ATTENUATION CARD 3
ATTENUATOR ATTENUATION CARD 4
ATTENUATOR SOLENOID COILS SUPPLY
ATTENUATOR THROUGH CARD 1
ATTENUATOR THROUGH CARD 2
ATTENUATOR THROUGH CARD 3
ATTENUATOR THROUGH CARD 4
BUFFERED 0 TO 10V SWEEP RAMP
IEEE 488 DATA VALID (DAV)
INSTRUMENT
I/O
DATA BUS BIT 0
INSTRUMENT I/O DATA BUS BIT 1
INSTRUMENT
I/O
DATA BUS BIT 2
INSTRUMENT I/O DATA BUS BIT 3
INSTRUMENT I/O DATA BUS BIT 4
INSTRUMENT
I/O
DATA BUS BIT 5
Type
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
GROUND
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
POWER SUPPLY
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Levels
TTL
TTL
TTL
TTL
TTL
±
IV MAX.
0V
TTL
OPEN COLLECTOR
OPEN COLLECTOR
OPEN COLLECTOR
OPEN COLLECTOR
+5V
OPEN COLLECTOR
OPEN COLLECTOR
OPEN COLLECTOR
OPEN COLLECTOR
10V/SWEEP
TTL
TTL
TTL
TTL
TTL
TTL
TTL
E-4
Motherboard Wiring List
HP 8340B/41B