HP 8340b User Manual

Table
E-l.
Motherboard Wiring
List
Mnemonic
SRD BIAS
3RD BIAS CONT
SRQ
STAT10
SW1
SW2
SYTM
COIL
+
SYTM
COIL
-
SYTM
GND
SYTMDB
SYTMDC
SYTMHTR
SYTMRES
SYTM
TEMP
SYTMTHRM
TCREF
THERM1
THERM2
TYOKP
VCOMP
VSWP
WBAND
WCDAC
WLEVEL
WMOD
WPDAC
WRDAC
Description
STEP
RECOVERY
DIODE
BIAS
STEP
RECOVERY
DIODE
BIAS
CONTROL
IEEE
488
SERVICE REQUEST
(SRQ)
STATUS
WORD
INPUT
BIT 10
PLL1
15-30
MHZ
ON/OFF CONTROL
PLL1
15 TO 3
MHZ/3-6
MHZ
CONTROL
POSITIVE INPUT TO
SYTM
COIL
NEGATIVE
INPUT TO SYTEM COIL
SYTM GROUND
SYTM
DRIVE TRANSISTSOR BASE
SYTM
DRIVE TRANSISTOR COLLECTOR
REGULATOR HEATER DRIVE TO SYTM
SYTM
CURRENT
SENSE FEED
BACK
SYTM
TEMPERATURE COIL
TEMP FEED BACK THERMISTOR IN SYTM
ALC
TEMP
COMPENSATED REFERENCE
LOW BAND DETECTOR THERMISTOR
LOW BAND DETECTOR THERMISTOR
TRIGGER YO KICK
PULSE
YO
DELAY
COMPENSATION VOLTAGE
YO
SWEEP
RAMP
BAND INFO
I/O
STROBE
(10,
R2:)
DELAY COMPENSATION DAC
DATA STROBE
(5,
R3::)
ALC
REFERENCE
DAC
DATA
STROBE
(10,
R1:)
MODULATION
DATA STROBE
(10,
RO::)
PRE-TUNE
DAC
DATA
STROBE
(3,
R2::)
RESET
DAC
DATA STROBE
(1,
R2
)
Type
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
ANALOG
ANALOG
GROUND
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
DIGITAL
ANALOG
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Levels
-10V/2KTO +5V
OTO
-5
LEVELED
TTL
TTL(LOW TRUE)
TTL
TTL
-40V
TO
-25V
-40V
0V
-22
TO
-39
-
6
TO
-6V
OTO
+20V
-9VLOWBNDCW
100
mv/c°
APPROX
-5V
-2V/dB
OV=OdBM
-1V
TO
-8V
-10V
TTL(LOW
TRUE)
-26
MHZ/VOLT
OVT010V/SWEEP
TTL(LOW
TRUE)
TTL(LOW
TRUE)
TTL(LOW TRUE)
TTL(LOW TRUE)
TTL(LOW
TRUE)
TTL(LOW
TRUE)
E-20
Motherboard
Wiring List Change
5
HP
8340B/41B

HP 8340b Specifications

General

Brand	HP
Model	8340b
Category	Inverter
Language	English