Procom DPID-900-14-gsm User Manual download pdf

DPID 900/14-GSM

Interdigital Base Station Duplexer for GSM 900

DESCRIPTION

The DPID 900/14-GSM is a 14-cavity base station duplex filter designed

to operate as a part of the combining systems of cellular GSM 900 base

station installations.

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

connected together 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 together on an aluminium plate with

thickness: 2.5 mm and dimensions: 275 x 400 mm. Total height is 32.5

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 end-treated with a black, 2-component polyurethane

coating.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

DPID 900/14-GSM 200000470

SPECIFICATIONS

ELECTRICAL

FREQUENCY GSM 900:

RX: 890 - 915 MHz

TX: 935 - 960 MHz

MAX. INPUT POWER 200 W

INSERTION LOSS Both ports: ≤ 1.4 dB

typ.: ≤ 1.2 dB

TX-NOISE SUPPRESSION ON RX-FREQUENCY > 70 dB

RX-ISOLATION ON TX-FREQUENCY > 70 dB

OUT OF BAND REJECTION 960 MHz - 2 GHz: > 70 dB

IMPEDANCE Nom. 50 Ω

SWR ≤ 1.4

MECHANICAL

TEMP. RANGE –30° C → +60° C

CONNECTORS N-female

DIMENSIONS (L x W x H) 275 x 400 x 32.5 mm

WEIGHT Approx. 5.3 kg

TYPICAL RESPONSE CURVES

PROCOM A/S reserve the right to amend specifications

without prior notice.

14/03/11

DPID 900/14-GSM 1

Summary of Contents

Page 1 - DPID 900/14-GSM

DPID 900/14-GSMInterdigital Base Station Duplexer for GSM 900DESCRIPTIONThe DPID 900/14-GSM is a 14-cavity base station duplex filter designedto opera

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