Procom DPF vhf-33-dr-3000 - Manual

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