HP 8340B Manual page 500

Table
E-l.
Motherboard Wiring List
Mnemonic
HADCEN
HCEN
HENDKICK
HFILYO
HINT
HIPMOD DRV
HLBW
HLBO
HLB1
HLB2
HLEY
HLE2
HMRKR
HMTR
HNUP
HOVC
HPLSEN
HPUP
HRFON
HSP
HSTD
HULH
HULM
HULR
HULY
HUL1
HUL2
Description
A.D.C-
CONVERT ENABLE
YO DELAY COMPENSATION ENABLE
YO AND YTM KICK PULSE COMPLETE
FILTER YO ENABLE
INTERNAL/EXTERNAL
LEVELING CONTROL
HIGH BAND PULSE MODULATOR DRIVE
ALC LOOP BAND WIDTH CONTROL
ENCODED BAND INFO BIT 0
ENCODED BAND INFO BIT 1
ENCODED BAND INFO BIT 2
LOCK ENABLE FOR YO LOOP
LOCK ENABLE TO PLL2
MARKER ASSERTED
EXTERNAL METER LEVELING CONTROL
NEGATIVE POWER SUPPLIED UP SIGNAL
INTERNAL 10 MHZ STANDARD TEMP ERROR
PULSE MODULATION ENABLED
POSITIVE POWER SUPPLIES UP SIGNAL
RF OUTPUT POWER ON
SWEEP IN PROGRESS
INTERNAL 10 MHZ STANDARD ENABLE
3 7 GHZ OSCILLATOR UNLOCKED
M/N
OSCILLATOR UNLOCKED
REFERENCE OSCILLATOR UNLOCKED
YO 2-7 GHZ OSCILLATOR UNLOCKED
PLL1 OSCILLATOR UNLOCKED
PLL2 OSCILLATOR UNLOCKED
Type
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Levels
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
PIN DIODE CURRENT
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
+3V
-
OVEN WARM
TTL
L(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
E-10 Motherboard Wiring List
HP 8340B/41B