Instrument Hardware Option Descriptions - Agilent Technologies PSA Series Service Manual

Spectrum analyzer
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Instrument Hardware Option Descriptions

Instrument Hardware Option Descriptions
The following list documents hardware options that are orderable on
new instruments. Hardware upgrade option numbers for field
installable retrofits kits may not be covered in this list.
Option AYZ (E4440A, E4446A, E4447A, E4448A) Adds external
mixing capability in the form of front panel LO Out and IF Input
connectors. Option AYZ supports both preselected and unpreselected
harmonic mixers. The front panel LO Out cable is connected to a spare
port on the instrument's LO distribution amp. Other options that also
require connections to the LO distribution amp will be incompatible
with Option AYZ.
Option BAB (E4440A) Replaces the front panel Type-N input
connector with a 3.5 mm male connector.
Option B7J (All PSA Series) Adds an electronic attenuator to the
lowband path (< 3.05 GHz). Sometimes this option is referred to as the
"digital demod hardware" since the attenuator is required for the
optional digital communications applications.
Option 1DS (All PSA Series) Adds a 100 kHz to 3.05 GHz Preamp to
the lowband path.
Option 107 (All PSA Series) Audio Input (for use with Option 223,
Measuring Receiver Personality only). Option 107 consists of an Audio
board and a front panel BNC connector. The audio signal path is in
addition to, and completely bypasses the normal RF/IF signal chain.
The frequency range is 20 Hz to 250 kHz. Usable amplitude range is
0.1 Vrms to 3 Vrms.
The audio signal comes from the front panel BNC connector, goes to the
Audio board where the signal is buffered, level shifted (ADC ranging
circuit provided best signal to ADC), then run through an ADC followed
by an FPGA that provides filtering and decimation to the ADC bits. The
time domain FPGA bits are sent to the PSA CPU assembly via the PCI
bus.
Option 110 (All PSA Series) 10 MHz to 26.5 or 50 GHz preamplifier.
Provides approximately 30 dB of gain from 10 MHz to the upper
frequency range of the analyzer. The preamplifier can be switched in or
out of the signal path. Option 110 and Option 1DS cannot be installed
together.
Option 111 (All PSA Series) USB Device side I/O. Allows a link for
controlling the instrument and extracting data from it through a
standard SCPI programming interface. This feature does not provide
USB host side support. It will not enable control of USB mass storage
devices or printers. In its simplest form, it can be thought of as a faster
16
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