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DPF VHF/33-DR 3000

6-Cavity Duplexer for the 160 MHz Band for installation

inside Motorola DR 3000 Repeater

DESCRIPTION

The DPF VHF/33-DR 3000 is a 6-cavity duplex filter designed to be built

into the Motorola DR 3000 duplex repeater.

This duplexer is delivered in a low-band version,

DPF VHF/33-DR 3000-L, tunable within 138 - 156 MHz, and a high band

version, DPF VHF/33-DR 3000-H, tunable within 152 - 175 MHz.

The duplexer is delivered with 5 MHz spacing.

The DPF VHF/33-DR 3000 is primarily intended for TX and RX operation

on single frequencies, but it can also, however with slightly reduced

data, be used where the TX and RX operate on several channels, i.e.

within a certain port bandwidth. In the latter case, factory tuning is

recommended.

The filter has very small physical dimensions due to the use of high-Q,

temperature-compensated helical resonators in a compact, extruded

aluminium housing. The chassis is made of passivated steel, and teflon

insulation has been applied in the coaxial cables and in the connectors.

The filter is coated with black vinyl to prevent corrosion.

ORDERING DESIGNATION

TYPE TUNING

RANGE

(MHZ)

DUPLEX

SPACING

(MHZ)

PRODUCT NO.

DPF VHF/33-DR 3000-L-4/6 138 - 156 4 - 6 200002189

DPF VHF/33-DR 3000-L-6/8 138 - 156 6 - 8 200002430

DPF VHF/33-DR 3000-L-8/10 138 - 156 8 - 10 200002429

DPF VHF/33-DR 3000-H-4/6 152 - 175 4 - 6 200002202

DPF VHF/33-DR 3000-H-6/8 152 - 175 6 - 8 200002432

DPF VHF/33-DR 3000-H-8/10 152 - 175 8 - 10 200002431

ORDERING INFORMATION: When ordering, please state TX and RX frequencies. If TX and RX

frequencies are not stated, the filters are delivered non-adjusted.

PLEASE NOTE

Special configurations of this filter type may be quoted on request. The filter

is supplied with flying leads (RG 400 coaxial cable) terminated with

connectors.

The filter is delivered with 3 stays and screws for mounting.

SPECIFICATIONS

ELECTRICAL

MODEL DPF VHF/33-DR 3000

FREQUENCY

DPF VHF/33-DR 3000-L

DPF VHF/33-DR 3000-H

: 138 - 156 MHz

: 152 - 175 MHz

MAX. INPUT POWER 50 W

INSERTION LOSS LOW

OR HIGH TO ANT.

(at 5 MHz duplex spacing)

Single-channel tuned:

Multi-channel tuned, 1.5 MHz BW:

≤ 1.3 dB

≤ 1.4 dB

LOW TO HIGH ISOLATION

ON LOW FREQUENCY

Single-channel tuned:

Multi-channel tuned, 1.5 MHz BW:

≥ 80 dB

≥ 40 dB

HIGH TO LOW ISOLATION

ON HIGH FREQUENCY

Single-channel tuned:

Multi-channel tuned, 2 MHz BW:

≥ 80 dB

≥ 40 dB

IMPEDANCE Nom. 50 Ω

SWR (All ports) ≤ 1.5

MECHANICAL

TEMP. RANGE –30° C → +60° C

FREQ. STABILITY Approx. 4.5 ppm/° C

CONNECTION RG 400 Length =

510 mm / 20.08 in

CONNECTORS

Low and high port:

Ant. port:

BNC-male

N-female, bulkhead

DIMENSIONS (L x W x H) 170 x 77 x 61.7 mm /

6.69 x 3.03 x 2.43 in

WEIGHT Approx. 860 g / 1.90 lb.

MOUNTING Supplied with three stays

(length 63 mm / 2.48 in) for

mounting with screws

M4 x 12 mm/0.47 in

1 2

Résumé du contenu

Page 1 - DPF VHF/33-DR 3000

DPF VHF/33-DR 30006-Cavity Duplexer for the 160 MHz Band for installationinside Motorola DR 3000 RepeaterDESCRIPTIONThe DPF VHF/33-DR 3000 is a 6-cavi

Page 2 - MOUNTING DETAILS

TYPICAL RESPONSE CURVESTYPICAL RESPONSE CURVESMOUNTING IN MOTOROLA DR 3000MOUNTING IN MOTOROLA DR 3000MOUNTING DETAILSPROCOM A/S reserve the right to

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Procom DPF vhf-33-dr-3000 Manuel d'utilisateur

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