HP 8340B Manual page 496

Table
E-l.
Motherboard Wiring
List
Mnemonic
DB6
DB7
DBS
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DETLVL
DETOUT
DETS/H+
DETS/H-
DIVN2
DI01
DI02
DI03
DI04
DI05
D106
DI07
DI08
EOI
EXDET
EXDETR
Description
INSTRUMENT
I/O
DATA BUS BIT 6
INSTRUMENT
I/O
DATA BUS BIT 7
INSTRUMENT I/O DATA BUS BIT 8
INSTRUMENT I/O DATA BUS BIT 9
INSTRUMENT
I/O
DATA BUS BIT 10
INSTRUMENT
I/O
DATA BUS BIT 11
INSTRUMENT I/O DATA BUS BIT 12
INSTRUMENT
I/O DATA BUS BIT 13
INSTRUMENT I/O DATA BUS BIT 14
INSTRUMENT I/O DATA BUS BIT 15
DETECTED LEVEL INPUT TO
A.D.C.
DETECTED LEVEL INPUT TO LINEAR MOD BOARD
DETECTOR
SAMPLE/HOLD
CONTROL
DETECTOR
SAMPLE/HOLD
CONTROL
500 KHZ DIVIDED OUTPUT FROM PLL2 DIVIDER
IEEE 488 I/O
DATA BUS BIT 1
IEEE 488 I/O
DATA BUS BIT 2
IEEE 488
I/O
DATA BUS BIT 3
IEEE 488
I/O
DATA BUS BIT 4
IEEE 488 I/O
DATA BUS BIT 5
IEEE 488 I/O DATA BUS BIT 6
IEEE 488
I/O
DATA BUS BIT 7
IEEE 488 I/O
DATA BUS BIT 8
IEEE 488 END OR IDENTIFY (EOI)
EXTERNAL DETECTOR INPUT
EXTERNAL DETECTOR INPUT GROUND RETURN
Type
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
GROUND
Levels
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
-0.2V/dB,
OV=OdB
-0.3VdB,
OV=OdB
+
4.5V/+
3.5V
+3.5V/+4.5V
TTL
(LOW TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
0.5mV TO 2V
0V
E-6 Motherboard
Wiring
List
HP 8340B/41B