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DPF 70/22-250

Duplex Filter for the 450 MHz Band

DESCRIPTION

High power base station duplex filter for the 400 – 470 MHz range.

The use of large ø250 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. 8000.

High frequency stability on temperature and power.

Mounted on 19” brackets.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

DPF 70/22-250 200000275

SPECIFICATIONS

ELECTRICAL

MODEL DPF 70/22-250

TX/RX FREQUENCY 406 - 470 MHz

MAX. INPUT POWER 300 W @ 1.5 dB

TYP. INSERTION LOSS 250 kHz @ 1.5 dB

500 kHz @ 1.2 dB

1.0 MHz @ 1.0 dB

TX NOISE SUPPRESSION ON RX FREQ.

AND RX ISOLATION ON TX FREQ.

250 kHz @ 50 dB

500 kHz @ 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) 510 x 515 x 300 mm

WEIGHT Approx. 15 kg

TYPICAL RESPONSE CURVES FOR 500 kHz DUPLEX SPACING

PROCOM A/S reserve the right to amend specifications

without prior notice.

01/02/13

DPF 70/22-250 1

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DPF 70/22-250Duplex Filter for the 450 MHz BandDESCRIPTIONHigh power base station duplex filter for the 400 – 470 MHz range.The use of large ø250 mm c

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Procom DPF 70-22-250 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Acessórios de comunicações Procom DPF 70-22-250. Procom DPF 70-22-250 User Manual Manual do Utilizador

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