Philips TW0200 - Manual (Page 40)

7-4 2 GHz / 8 MB D/ UHF System A/T
Make: - ARM-2208-M3
Specification: -
7-4.1
- Frequency band 2.0 to 2.3 GHz.
range 45 dBm for threshold.
- Ref Rec. I/P level -42 dBm ± 1 dBm.
- Overload of LNA -35 dBm or better.
Bm at Rx In.
- O/W response ± 2 dBm.
7
nal level, the deviation
should not be more than ± 3 dBm.
- Mostly towers are existing but whether Tower is A/Td or not? Insist for Tower
- Carry out physical inspection of equipment installation, W/G up to the bay and
vertical runway above the bay for power cable is provided or not? And W/G is
s ake care regarding Air conditioning, Fire detector/ Extinguisher, Sufficient
mination Light etc.
out earth resist e test of Equipment, tower and if it is not checked within
6 months.
: - ARM Sub- Rack.New-7-19 & 20
Diplexer
- Bit Rate 8.448 MHz 75 Ω.
- Tx- Rx Spacing 161 MHz.
- RF Tx: +30 to +32 dBm at antenna port.
- Receive IF frequency 70 MHz.
- Transmitter PA out +34 dBm max.
- AGC dynamic
- Receive Threshold for BER of 1 x 10 -3 -86 d
- Noise level -53 dBm.
-4.2 Before starting Local A/T,
- Ensure availability of M/W testing meters.
- Ask for purchase order/ allotment letter of the system.
- Get Q/A report /stamp.
- Ask for survey report and check surveyed level and nomi
clearance letter.
- Mostly SACFA is not applied or registered for clearance, Please note down
registration no.
properly earthed or not?
- Al
illu
o t
- Carry anc
Make
Trans
receiver
P/S-1
0
+12.8
0
0
- 48
P/S-2
TLO In
Mon
Trans
Receiver
TLO In
Mon MUX
0 T
0 R
0
0
0
0
0
0 O/W
+
SUPY
+ 12.8
Fig. 7-19
191