Specifications

A-20 BNC TTL OUTPUT
CONTROL
STATEMENT
A BNC TTL output signal can be used to control the test environment.
On a two-port instrument, the driven port has to be specified either 1
or 2 according to the output of TTL HIGH or LOW, or pulse high or
low at the end of sweep. On a three-port instrument, the test set has
to specify the driven port 1, 2, or 3. (Listing appears at left.)
Step 1.
Press Seq/EDIT SEQUENCE/SEQUENCE 1.
Step 2.
Press Freq/START 1.0 GHZ/STOP 2.0 GHZ.
Step 3. Press Seq then the following soft keys:
TTL I/O
REAR PANEL SETUP
TTL OUT PORT 1
HIGH PULSE
PORT 2
LOW PULSE
PORT 3
TTL HIGH
Step 4.
Press Seq/DONE SEQUENCE EDIT.
This sequence is also stored in memory as
SEQUENCE 1/ NAME 1.
TTL INPUT SEQUENCE
CONTROL STATEMENT OPERATIONS
A-20 MS462XX OM
BEGIN OF SEQUENCE
START 1.0 G/ns/m
STOP 2.0 G/ns/m
SELECT TTL OUT PORT1
PORT 1: HIGH PULSE
SELECT TTL OUT PORT 2
PORT 2: LOW PULSE
SELECT TTL OUT PORT3
PORT 3: TTL HIGH
Sequence 1