1 Overview of the 34934A
16 Keysight 34934A User’s Guide
independent of the state (open, closed) of any channel relays. The Row Protection
Relays remain closed until the row protection mode is changed, the instrument is
reset, or power is cycled to the instrument.
ISOlated
In this mode, all 16 Row Protection Relays and Bypass Relays are
open, allowing no signals to pass between 32-column banks via the rows. This
mode only applies to the 4x32, 8x32 and 16x32 matrices. By isolating the rows,
you can route signals column to column within the same bank of 32 columns,
using the row as a connection bus between columns. The Bypass Relays remain
open until the row protection mode is changed, the instrument is reset, or power
is cycled to the instrument. This operation is independent of the state (open,
closed) of any channel relays.
See “Setting the Relay Protection Mode” on page 232 for sample command
examples.
General Configuration Procedures for the 34934A
Base Matrix Configurations
In practice, you will follow these steps to select, configure, and wire a single
34934A matrix module:
1 Select a base matrix configuration:
–4x32
–4x64
– 4x128
–8x32
–8x64
– 16x32
The 4x32, 4x64, and 8x32 configurations can be operated as 2-wire channel
pairs programmatically.
Fixed mode is not recommended for matrix configurations (i.e. 4x64, 4x128,
8x64) where rows are extended to provided additional columns - unless only DC
signals are used. The extended rows can create large stubs and capacitances.
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