Chapter 5 69
Options and Accessories
Accessories
Accessories
A number of accessories are available from Agilent Technologies to help you
configure your analyzer for your specific applications. They can be ordered
through your local Agilent Sales and Service Office and are listed below.
50 Load
The Agilent 909 series of loads come in several models and options providing a
variety of frequency ranges and VSWRs. Also, they are available in either 50 or
75 . Some examples include the:
909A: DC to 18 GHz
909C: DC to 2 GHz
909D: DC to 26.5 GHz
50 /75 Minimum Loss Pad
The HP/Agilent 11852B is a low VSWR minimum loss pad that allows you to
make measurements on 75 devices using an analyzer with a 50 input. It is
effective over a frequency range of DC to 2 GHz.
AC Probe
The Agilent 85024A high frequency probe performs in-circuit measurements
without adversely loading the circuit under test. The probe has an input
capacitance of 0.7 pF shunted by 1 M of resistance and operates over a
frequency range of 300 kHz to 3 GHz. High probe sensitivity and low distortion
levels allow measurements to be made while taking advantage of the full dynamic
range of the spectrum analyzer.
AC Probe (Low Frequency)
The Agilent 41800A low frequency probe has a low input capacitance and a
frequency range of 5 Hz to 500 MHz.
Close-Field Probes (for EMC measurements with PSA)
These handheld probes are designed to measure magnetic-field radiation from
surface currents, slots, cables, and ICs for EMC diagnostics and troubleshooting.
Five antenna factors appear on each probe for calculating absolute magnetic-field
strength from the analyzer reading.
11940A - 30 MHz to 1 GHz range
11941A - 9 kHz to 30 MHz range
11945A - Close-field probe set; includes both 11940A and 11941A probes for
full coverage from 9 kHz to 1 GHz. Option E51 adds the 11909A preamplifier.
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