Atec Agilent-8753E - Manual (Page 16)

• Time domain range
The range over which the display is free of response repe-
tition depends on the frequency span and the number of
points. Range, in nanoseconds, is determined by
• Range resolution
Range-resolution is how closely in time that a response
can be located.
Range-resolution = time span/(number of points –1)
• Windows
The windowing function can be used to modify (filter) the
frequency domain data and thereby reduce overshoot and
ringing in the time domain response. Three types of win-
dows are available — minimum, normal, and maximum.
• Gating
The gating function can be used to selectively remove
reflection or transmission time domain responses. In
converting back to the frequency domain the effects of the
responses outside the gate are removed. The location and
span of the gate can be controlled by setting either the
center position and time span of the gate or by setting the
start and stop time of the gate.
HP 8753E Options
Harmonic measurements (Option 002)
Description
Measures amplifier 2nd and 3rd harmonics on a swept-
frequency basis for fundamental signals above 16 MHz.
Harmonics are measured up to the maximum frequency
range of the receiver. The second harmonic of 1.5 GHz fun-
damental and 3rd harmonic of a 1 GHz fundamental can be
measured and displayed. If Option 006 is installed, the 2nd
harmonic of a 3 GHz fundamental and 3rd harmonic of a
2 GHz fundamental can be measured.
Dynamic range (source at –10 dBm, receiver
<–30 dBm): –40 dBc (minimum)
Accuracy:
1 ±1 dB (< 6 GHz)
6 GHz operation (Option 006)
Description
With the 6 GHz option, performance is specified over the
30 kHz to 6 GHz range. When external source, tuned
receiver or harmonic mode is used, the receiver is capable
of measuring signals up to 6 GHz.
High-stability frequency reference
(Option 1D5)
Description
This option adds an ovenized 10-MHz frequency
reference output to the HP 8753E. It is connected to
the external reference input on the rear panel. See the
“General Characteristics” section for specifications.
Measurement throughput summary
The following table shows typical measurement times in
milliseconds.
Typical time for completion (msec)
Number of Points
51 201 401 1,601
Measurement
Uncorrected, 1-port calibration 2 40 77 127 428
Two-port calibration 3 70 145 244 845
Time domain conversion 4 14 46 91 392
HP-IB data transfer 5
Internal binary 6 11 17 52
ASCII 40 147 289 1142
IEEE 754 floating point format:
32-bit 8 15 25 79
64-bit 9 22 40 137
Remote programming
Interface
HP-IB interface operates to IEEE 488-1978 and IEC 625
standards and IEEE 728-1982 recommended
practices.
Addressing
The HP-IB address of the HP 8753E can be verified
or set from the front panel via the local menu and can
range from 0 to 30 decimal (factory set at 16).
Pass control
Allows the HP 8753E to request control of the HP-IB
(when an active controller is present) whenever it needs to
output to a plotter or printer.
System controller
Lets an HP 8753E become a controller on the HP-IB
to directly control a plotter or a printer.
Talker/listener
Lets the HP 8753E become an HP-IB talker/listener when
an external controller is present.
16
HP 8753E supplemental characteristics, cont’d
1. Does not include error from the HP 8753D source and receiver harmonics.
2. One-port calibration, with a 6 kHz IF bandwidth. Includes system retrace time, but does not
include bandswitch time. Time domain gating is assumed off.
3. Same as footnote 2, but for an S21 measurement with full two-port calibration. Includes RF
switching time.
4. Option 010 only, gating off.
5. Measured with an HP omnibook 5500 133 pentium computer.
Range = 1/ ∆F = (Number of points in Frequency Domain –1)
Frequency Span (GHz)