Operating Manual 1164.4556.12 - 06
4.35
R&S FSP
Instrument Functions
Analyzer Mode
Measurement example
The modulation spectrum of a GSM 900 signal is to be measured using the gated-
sweep function. The signal is generated by a Signal Generator whose RF output is
directly connected to the RF input of R&S FSP.
Settings on the Signal Generator:
The Signal Generator supplies a GMSK-modulated TDMA signal (GSM).
Settings on R&S FSP:
Conventions:
The following figure shows the screen display for setting gate parameters. The verti-
cal lines for gate delay (GD) and gate length (GL) can be adjusted to the burst signal
by entering numeric values or by means of the rotary knob.
FREQ: 802
MHz
Level:
0 dBm: Return
Digital Mod:
Select: GMSK: Select
Source: Select:
PRBS: Select: Return
Level Attenuation:
Select: 60 dB: Return
[KEY]
Menu called by this key. All information between the brackets
refers to this menu.
{Number}
Numeric value to be entered for the parameter on hand.
SOFTKEY
Softkey to be used for making a selection or entering a value.
[PRESET]
[FREQ
:
CENTER
{802}
MHz]
[SPAN
{3.6}
MHz]
[AMPT
:
REF LEVEL
{0}
dBm
:
RF ATTEN MANUAL
: {10}
dB]
[BW
:
RES BW MANUAL
: {30}
kHz]
[TRACE
:
TRACE 1
DETECTOR
:
RMS
]
[SWEEP
:
SWEEPTIME MANUAL
: {50}
ms]
[TRIG
:
EXTERN
GATED TRIGGER;
GATE SETTINGS
:
GATE MODE EDGE; POLARITY POS
SWEEPTIME MANUAL
{1}
ms
:
GATE DELAY
{300}
µs
:
GATE LENGTH
: {250}
µs]
Summary of Contents for R&S FSP Series
Page 1: ...R S FSP Spectrum Analyzer Operating Manual 1164 4556 12 06 Test Measurement Operating Manual ...
Page 24: ...R S FSP Putting into Operation 1 2 Operating Manual 1164 4556 12 06 ...
Page 72: ...R S FSP Manual Operation 3 2 Operating Manual 1164 4556 12 06 ...
Page 793: ...R S FSP Index Operating Manual 1164 4556 12 06 4 11 ...
Page 794: ...R S FSP 4 12 Operating Manual 1164 4556 12 06 ...
Page 795: ...Operating Manual 1164 4556 12 06 4 13 R S FSP ...
Page 796: ...R S FSP 4 14 Operating Manual 1164 4556 12 06 ...
