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DPID 1800/18

Interdigital Base Station Duplexer

DESCRIPTION

The DPID 1800/18 is an 18-resonator base station duplex filter designed

to operate as a part of the combining systems on base station

installations.

The duplexer consists of two interdigital band-pass filters, which are

interconnected by a cross-over network.

The interdigital principles ensure that ripple and insertion loss figures

are kept very low over the wide port widths, and that steep slopes

immediately beside the pass ranges and heavy attenuation outside the

pass ranges are realized.

The filter is capable of operating continuously at a power level of 200 W.

The filter parts are mounted on an aluminium plate with thickness: 4

mm and dimensions: 266 x 483 mm. Total height is 36 mm. This

assembly fits nicely into a 19” rack system.

Construction and choice of materials have been carried out to ensure

that electrical characteristics are maintained over a long life-span

despite the influence of environmental factors such as corrosion,

temperature, humidity, shock and vibration.

The assembly is finished with a black, 2-component polyurethane

coating.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

DPID 1800/18-N 200000468

DPID 1800/18-7/16 200000473

SPECIFICATIONS

ELECTRICAL

MODEL DPID 1800/18

FREQUENCY TX: 1815 - 1868 MHz

RX: 1710 - 1773 MHz

MAX. INPUT POWER 200 W

INSERTION LOSS Both ports: ≤ 1.0 dB

typ.: ≤ 0.9 dB

TX-NOISE SUPPRESSION ON RX-FREQUENCY > 70 dB

RX-ISOLATION ON TX-FREQUENCY > 70 dB

OUT OF BAND REJECTION 2 GHz - 3.5 GHz: > 70 dB

IMPEDANCE Nom. 50 Ω

SWR ≤ 1.4

MECHANICAL

TEMP. RANGE –30° C → +60° C

CONNECTORS N-female or 7/16-female

DIMENSIONS (L x W x H) 266 x 483 x 36 mm

WEIGHT Approx. 6.1 kg

TYPICAL RESPONSE CURVES

PROCOM A/S reserve the right to amend specifications

without prior notice.

16/03/11

DPID 1800/18 1

Summary of Contents

Page 1 - DPID 1800/18

DPID 1800/18Interdigital Base Station DuplexerDESCRIPTIONThe DPID 1800/18 is an 18-resonator base station duplex filter designedto operate as a part o

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