R&S FSH series User Manual

77
E-02
3.3 Measurements on CW Signals
A basic task performed by spectrum analyzers is
measuring the level and frequency of sinewave
signals. The following examples illustrate the most
effective way of performing these measurements
with the R&S FSH.
A signal generator is used as a signal source, e.g.
the Signal Generator R&S SML.
Measurement setup
Connect the RF output of the signal generator to
the RF input of the R&S FSH.
Signal generator settings:
Frequency: 700 MHz
Level: -30 dBm
3.3.1 Level Measurement
First, set the R&S FSH to its default settings to
show all the operating steps that are required.
 Press the PRESET key.
The analyzer displays the frequency spectrum
over the R&S FSH’s maximum frequency span. At
700 MHz, the generator signal is displayed as a
vertical line.
To analyze the generator signal at 700 MHz in
more detail, reduce the frequency span. Set the
R&S FSH’s center frequency to 700 MHz and
reduce the span to 10 MHz.
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R&S FSH series Specifications

General

Input Impedance	50 Ω
Display	640 x 480 pixels
Tracking generator	Optional
Interfaces	USB, LAN
Third Order Intercept (TOI)	+15 dBm typical
Input VSWR	≤1.5:1 (typical)
Input Connector	N (f)
Power Supply	100 V to 240 V
Frequency range	9 kHz to 3.6/8/13.6/20 GHz
Battery life	Approx. 4 hours (standard battery)