HP 8754A - J7, Programming Connector

J7, PROGRAM~ING CONNECTOR
PROGRAMMING provides TTL or contact closure connections to control 8754A measurements, in-
terface with the 8748A S-Parameter Test Set, and analog outputs to obtain measurement data.
a748A
8754A LENGTH
lSI
8754A
J7 Pin 10
Adjustment
SII
POLAR A/R
SII/
S
21
1
POLAR (blue control)
S22
POLAR A/R
S22/
S
12
1
POLAR (blue control)
S21
POLAR A/R
SII/
S
21
0
PHASE (green control)
S12
POLAR A/R
S22/
S
12
a
PHASE (green control)
;"
40
This control line is useful to display all four S-Parameters in Polar format, using the
8748A.
Ivtodel 8754A
I nterfece
Connector:
HP PIN 1251-0063
ELECTRICAL LENGTH
ADJUSTMENT
PHASE (green control)
POLAR (blue control)
B
A
TEST
INPUT
Function
1 = 5V (open)
a= OV (ground)
J7 INPUTS
TTL Levels or Contact Closure
J7 PROGRAMMING PIN FUNCTIONS
14-fo 0000000000 ~25
1~·0 000000000 0 ~13
A, A/R, POLAR A/R
B, B/R, PHASE B/R
1 =Normal Operation ·
o=Reverse A and B nomenclature on front panel
Remains active in
remote operation.
FRONT PANEL SELECTION
Reverse 8754A A and B INPUT ·Functions:
Magnitude
or Phase Output Select
1 =Magnitude Ration Output
a=Phase Angle Output
Selects output at rear panel MAG/PHASE output and J7 pins 11 and 22.
19
10
Pin No.
Inputs/Outputs
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