Rohde & Schwarz EVSG-B1, User Manual

Page: 83 / 418

Numeric Measurement Modes
R&S
®
EVSG1000
83 User Manual 1178.6227.02 ─ 06
To measure LF input rather than RF input, the following settings are required.
Input RF/LF ................................................................................................................... 83
LF In Mode .................................................................................................................... 83
Low IF Offset .................................................................................................................84
Range ............................................................................................................................84
Coupling ........................................................................................................................ 84
DC Reference ............................................................................................................... 84
LF In Factor ...................................................................................................................85
Bandwidth (IF BW/AF In BW) ........................................................................................85
IF/AF Bandwidth (Dist/ID) ............................................................................................. 85
Res. FM Filt. ..................................................................................................................85
Input RF/LF
Access
: [Config]
Access VNC : [s]
Configures the input source for the currently selected receiver (see "To select the
receiver board to configure" on page 52).
For details on the connectors see Chapter 1.5.1.3, "RX1 IN / RX2 IN" , on page 29.
"RF In" An RF signal is provided from the RX 1 In/RX 2 In connectors on the
front of the R&S
EVSG1000. They are connected to a receiving
antenna (max. +13 dBm). The antenna must correspond to the speci-
fied frequency range for the measurement.
"LF In" An AF or low frequency signal is provided at the LF In input connector
on the rear side of the R&S
EVSG1000.
If both receivers are used, only one of them can be set to analyze
input from "LF In".
Analyzing LF input requires option R&S
EVSG1-K7.
Remote command:
GS_RFLF_INPUT
on page 290
LLZ_RFLF_INPUT
on page 281
VOR_RFLF_INPUT
on page 315
FFT_RFLF_INPUT
on page 365
SCOPE_RFLF_INPUT
on page 370
SETUP:INPUT
on page 248
LF In Mode
Access
: [Config]
Access VNC : [s]
Determines the type of LF input. Depending on the type of input, the available settings
and results can vary.
This setting is only available for LF input ( Input: LF ).
"AF" Measures the AF signal at 0 Hz.
"Low IF"
Measures the ILS signal at a low intermediate frequency, for example
from a test point at the transmitter.
ILS Localizer and ILS Glidepath (GP) Modes