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BPF 900/9

Interdigital Band-Pass Filter for the 900 MHz Band

DESCRIPTION

The BPF 900/9 is a 9-resonator, interdigital band-pass filter for

multichannel systems in the 900 MHz band.

Using interdigital principles the following features are obtained at the

same time:

Wide Pass Range

Low insertion loss and ripple inside pass range

Steep slopes immediately outside pass range

Heavy attenuation outside the pass range.

The BPF 900/9 housing is made of silvered brass. Careful design and

choice of materials ensure a long lifetime and reliable operation over a

wide temperature range.

The filter can be delivered with centre frequency between 880 and

960 MHz. The specifications and the curves below refer to a filter with

35 MHz port width, but interdigital filters with other port widths and

filter characteristics may be quoted on request.

ORDERING DESIGNATIONS

TYPE PRODUCT NO. TUNING RANG

BPF 900/9L 200000953 880 - 915 MHz

BPF 900/9H 200000952 925 - 960 MHz

SPECIFICATIONS

ELECTRICAL

FILTER TYPE Interdigital band-pass filter

TUNING RANGE To be stated within 880 - 960 MHz

MAX. INPUT POWER 100 W

INSERTION LOSS ≤ 1.0 dB

BANDWIDTH 35 MHz

ATTENUATION AROUND PASSBAND

± 25 MHz rel. fc : > 30 dB

± 45 MHz rel. fc : > 80 dB

ATTENUATION OUTSIDE PASS-RANGE,

0-2 GHz

> 73 dB, typ. > 100 dB

(see curves)

IMPEDANCE Nom. 50 Ω

SWR ≤ 1.5

MECHANICAL

TEMP. RANGE –30° C → +60° C

FREQ. STABILITY Approx. 8ppm/° C

CONNECTORS N-female

DIMENSIONS (L x W x H) 332 x 110 x 30 mm

WEIGHT Approx. 2.5 kg

TYPICAL RESPONSE CURVES

PROCOM A/S reserve the right to amend specifications

without prior notice.

20/12/12

BPF 900/9 1

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BPF 900/9Interdigital Band-Pass Filter for the 900 MHz BandDESCRIPTIONThe BPF 900/9 is a 9-resonator, interdigital band-pass filter formultichannel sy

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Procom BPF 900-9 Bedienungsanleitung

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