Procom BPF 900-3 User Manual download pdf

BPF 900/3

Band-Pass Filter for the 900 MHz Band

DESCRIPTION

The BPF 900/3 is a 3-cavity band-pass filter using full-length quarter-

wave resonators.

This filter can be used as a preselector to protect a receiver against

interference from transmissions out of the passband, or it can be used

to reduce spurious output from a transmitter with up to 50 W output

power.

The filter can be tuned within the entire 820 - 960 MHz band. Careful

design and choice of materials ensure reliable operation over a wide

temperature range.

The housing is made of extruded aluminium, the chassis of brass, and

teflon insulation has been used in the coaxial cables and in the

connectors.

The filter is black vinyl coated to prevent corrosion.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

BPF 900/3 200000935

SPECIFICATIONS

ELECTRICAL

MODEL BPF 900/3

FILTER TYPE Band-pass filter

TUNING RANGE 820 - 960 MHz

MAX. INPUT POWER 50 W

INSERTION LOSS ≤ 1.2 dB

ATTENUATION AROUND PASSBAND See curves

ATTENUATION 0-790 MHz > 45 dB, see curves

IMPEDANCE Nom. 50 Ω

SWR ≤ 1.5

MECHANICAL

TEMP. RANGE –30° C → +60° C

FREQ. STABILITY Approx. 10 ppm/° C

CONNECTORS N-female

DIMENSIONS (L x W x H) 153 x 77 x 33 mm

WEIGHT Approx. 350 g

TYPICAL RESPONSE CURVES

1 2

BPF 900/3 1
15/09/11 2

Summary of Contents

Page 1 - BPF 900/3

BPF 900/3Band-Pass Filter for the 900 MHz BandDESCRIPTIONThe BPF 900/3 is a 3-cavity band-pass filter using full-length quarter-wave resonators.This f

Page 2 - 15/09/11

PROCOM A/S reserve the right to amend specificationswithout prior notice.15/09/11

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Procom BPF 900-3 User Manual

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