SVP HDR-102, Manual

Page: 118 / 237

HDR-108/HDR-104/HDR-102 Diversity Receivers
MANUAL V9.8 118

Spectrum:
Here the type of the spectrum of the received signal is shown. The
available options are inverted or normal spectrum. (reading
parameter)

[Tw] Level:
In this field, the level of the received signal, where w is the number of
the demodulator (from 1 to 8 for diversity mode), is shown in dBm.
(reading parameter)

[Tw] SNR:
In this field, the Signal to Noise Ratio value of the received signal,
where w is the number of the demodulator (from 1 to 8 for diversity
mode), is displayed in dB. (reading parameter)

[Tw] MER:
In this field, the Modulation Error value of the received signal, where
w is the number of the demodulator (from 1 to 8 for diversity mode),
is displayed in dB. (reading parameter)

State:
This option allows enabling or disabling each of the IF inputs of the
device. When the enable option is selected in an IF input, this input
supplies power to the down converter connected to it. (eligible
parameter)
The available options are:
- Enable
- Disable

IF Cable Type:
In this field, if a cable is used from the Receiver device to the down
converter device (8 available) the type of the cable must be specified.
The possible types of cables are RG-142, RG-58, RG-214, LMR-400,
CEFLEX 1/2, LDF450A 1/2, BELDEN H125, BELDEN PRG11, LMR200
and Andrew FSJ2. (eligible parameter)

IF Cable Length:
In this field, the length of the cable used from the Receiver device to
the down converter device must be specified. The maximum distance
allowed is 150 meters. (editable parameter)

Diversity:
The available options are:
- Mobile (MRC[1] technique)
- Fixed (Switching technique)
[1] MRC limitations to take into account:
- MRC doesn’t work when LO is superior to the RF
- MRC doesn’t work if the IF is lower than 400 MHz