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DPF 70/6...

6-Cavity Duplexer for the 450 MHz Band

DESCRIPTION

The DPF 70/6… is a 6-cavity duplex filter for duplex radiotelephones.

The DPF 70/6… can be adjusted within the complete

406 - 470 MHz band. The duplexer can be delivered in four different

versions according to required duplex spacing.

See also “Ordering information” below.

The DPF 70/6… is primarily intended for equipment, where the TX and

RX operate 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 last case, factory

tuning is recommended.

The filter uses full-length ¼ cavities 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 black vinyl coated to prevent corrosion.

ORDERING DESIGNATION

TYPE PRODUCT NO. DUPLEX SPACING

(MHZ)

DPF 70/6 - 5/7 200000385 5 - 7

DPF 70/6 - 7/9 200000400 7 - 9

DPF 70/6 - 9/13 200000407 9 - 13

DPF 70/6 - 13/16 200000417 13 - 16

SPECIFICATIONS

ELECTRICAL

MODEL DPF 70/6...

TX/RX FREQUENCY 406 - 470 MHz

MAX. INPUT POWER 50 W

TX NOISE SUPPRESSION

ON RX-FREQUENCY

Single-channel tuned:

Multi-channel tuned, 2 MHz BW:

≥ 85 dB

≥ 65 dB

INSERTION LOSS TX-ANT AND ANT-RX

(at 10 MHz duplex spacing)

Single-channel tuned:

Multi-channel tuned, 2 MHz BW:

≤ 1.2 dB (typ. 1.0 dB)

RX ISOLATION

ON TX-FREQUENCY

Single-channel tuned:

Multi-channel tuned, 2 MHz BW:

≥ 85 dB

≥ 65 dB

IMPEDANCE Nom. 50 Ω

SWR (All ports) ≤ 1.5

MECHANICAL

TEMP. RANGE –30° C → +60° C

FREQ. STABILITY Approx. 4.5 ppm/° C

CONNECTIONS BNC-female

DIMENSIONS (L x W x H) 226 x 154 x 33 mm

WEIGHT Approx. 990 g

ORDERING INFORMATION

When ordering, please use the table above to select the appropriate

ordering designation for the desired filter type. If duplex TX and RX

frequencies are stated when ordering, the duplexers are delivered factory

adjusted. 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. For

instance, the filter can be delivered with other connector types, or with

flying leads (RG 316 coaxial cable) terminated with connectors or for

soldering-connection.

TYPICAL RESPONSE CURVES @ 10 MHz SPACING

PROCOM A/S reserve the right to amend specifications

without prior notice.

18/02/13

DPF 70/6 1

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DPF 70/6...6-Cavity Duplexer for the 450 MHz BandDESCRIPTIONThe DPF 70/6… is a 6-cavity duplex filter for duplex radiotelephones.The DPF 70/6… can be

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