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BPF 70/...-250

Band-Pass Filters for the 450 MHz Band

DESCRIPTION

High power base station band-pass filters for the 400 – 470 MHz range.

The use of large ø250 mm cavities means a high Q,

resulting in a very narrow passband.

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.

19” mounting brackets are included for BPF 70/2-250 and

BPF 70/3-250 models.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

BPF 70/1-250 200000955

BPF 70/2-250 200000963

BPF 70/3-250 200000957

SPECIFICATIONS

ELECTRICAL

MODEL BPF 70/1-250 BPF 70/2-250 BPF 70/3-250

FREQ. RANGE 380 - 470 MHz 380 - 470 MHz 380 - 470 MHz

MAX. INPUT

POWER

350 W @

0.5 dB IL

150 W @

2.0 dB IL

350 W @

1.0 dB IL

150 W @

4.0 dB IL

350 W @

1.5 dB IL

150 W @

6.0 dB IL

INSERTION LOSS Adjustable

0.5 - 2.0 dB

Adjustable

0.8 - 4.0 dB

Adjustable

1.2 - 6.0 dB

ATTENUATION See figure 1 See figure 2 See figure 3

IMPEDANCE Nom. 50 Ω Nom. 50 Ω Nom. 50 Ω

SWR

(at resonance)

< 1.5 < 1.5 < 1.5

MECHANICAL

TEMP. RANGE

RH 0-90%

non-condensing

–30° C →

+60° C

–30° C →

+60° C

–30° C →

+60° C

FREQ.

STABILITY

Approx. 1.5

ppm/° C

Approx. 1.5

ppm/° C

Approx. 1.5

ppm/° C

CONNECTORS N-female N-female N-female

DIMENSIONS ø250 x

400 mm

L:250 x W:500 x

H:400 mm

L:250 x W:750 x

H:400 mm

WEIGHT Approx.

2.8 kg

Approx.

5.2 kg

Approx.

9.6 kg

TYPICAL RESPONSE CURVES

Figure 1

TYPICAL RESPONSE CURVES

Figure 2

TYPICAL RESPONSE CURVES

Figure 3

PROCOM A/S reserve the right to amend specifications

without prior notice.

21/03/12

BPF 70/...-250 1

Summary of Contents

Page 1 - BPF 70/...-250

BPF 70/...-250Band-Pass Filters for the 450 MHz BandDESCRIPTIONHigh power base station band-pass filters for the 400 – 470 MHz range.The use of large

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Procom BPF 70-...-250 User Manual

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