User guide

DPF 70/22-200
Duplex Filter for the 450 MHz Band
DESCRIPTION
High power base station duplex filter for the 400 – 470 MHz range.
The use of large ø200 mm cavities means a high Q,
resulting in a small duplex spacing.
The large dimensions also mean a high power rating.
Unloaded Q of a single cavity is approx. 4500.
High frequency stability on temperature and power.
Mounted on 19” brackets.
ORDERING DESIGNATIONS
TYPE PRODUCT NO.
DPF 70/22-200 200000283
Specifications
ELECTRICAL
MODEL DPF 70/22-200
TX/RX FREQUENCY 406 - 470 MHz
MAX. INPUT POWER 300 W @ 1.0 dB
TYP. INSERTION LOSS 0.25 MHz @ 1.5 dB
0.5 MHz @ 1.2 dB
1.0 MHz @ 1.0 dB
TX NOISE SUPPRESSION ON RX FREQ.
AND RX ISOLATION ON TX FREQ.
0.25 MHz @ 50 dB
0.5 MHz @ 60 dB
1.0 MHz @ 70 dB
MECHANICAL
TEMP. RANGE –30° C → +60° C
FREQ. STABILITY Approx. 1.5 ppm/° C
CONNECTORS N-female
DIMENSIONS (L x W x H) 410 x 410 x 300 mm
WEIGHT Approx. 8.6 kg
TYPICAL RESPONSE CURVES FOR 1 MHz DUPLEX SPACING
PROCOM A/S reserve the right to amend specifications
without prior notice.
01/04/11