HP 8340b - Page 217

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
DI06
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
DC
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
-02V/dB,OV=OdB
-03VdB,OV=OdB
+45V/+35V
+35V/+45V
TTL
(LOW
TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
0
5mV
TO
2V
0V
E-6
Motherboard
Wiring
List
Change
5
HP
8340B/41B