Chapter 7 7-7
Options and Accessories
How to Order Options
Narrow Resolution Bandwidth (Option 1DR)
This option provides additional narrow resolution bandwidths of 10 Hz,
30 Hz, 100 Hz, and 300 Hz. These bandwidths improve the analyzer
sensitivity and allow you to resolve closely spaced signals.
75 Ω Tracking Generator (Option 1DQ)
Option 1DQ provides a 1 MHz to 1.5 GHz built-in tracking generator
for the Agilent E4401B and the Agilent E4411B. Option 1DQ provides a
1 MHz to 3 GHz built-in tracking generator for the Agilent E4402B,
E4403B, E4404B, E4405B, and E4407B. This source creates a
source-receiver combination that allows insertion-loss, frequency
response, and return-loss measurements. The tracking generator has a
wide distortion-free dynamic range, plus good sensitivity and
selectivity.
Option 1DQ has a 75 Ω output impedance, and is only available with
Option 1DP.
Pre-amplifier (Option 1DS)
The pre-amplifier improves the analyzer’s sensitivity (lowers the noise
floor) by approximately 16 dB.
GPIB and Parallel Interface (Option A4H)
Option A4H allows you to control your analyzer from a computer that
uses a general purpose interface bus (GPIB). Option A4H includes an
GPIB connector, a parallel interface connector for printers, and the
Agilent ESA Spectrum Analyzers Programmer’s Guide.
Option A4H allows the analyzer to copy its display to a printer.
IF, Sweep and Video Ports (Option A4J)
Option A4J provides the analyzer with additional inputs and outputs.
They are as follows: SWP OUT, HI SWP OUT (TTL), HI SWP IN (TTL),
AUX VIDEO OUT, and AUX IF OUT.
SWP OUT - sweep ramp output, provides a voltage ramp proportional
to the sweep of the analyzer (0 V to 10 V).
HI SWP OUT (TTL) - provides the HI SWP TTL signal as an output
(TTL high during a sweep, TTL low during a retrace). It indicates when
the analyzer is sweeping.
HI SWP IN (TTL) - allows external sweep control. It can be grounded to
stop sweeping.
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