Procom MPX-70-44-...-tetra-n - Manual

MPX 70/44-...-TETRA-N
8-Resonator Mini-Duplexer for the TETRA Band
DESCRIPTION
The MPX 70/44-...-TETRA-N is a 8-resonator miniaturized duplex filter
for duplex radiotelephones. This compact “miniplexer” meets the
demand for a modern, space saving, high performance filter type.
The MPX 70/44-...-TETRA-N models are primarily intended for
equipment, where the TX and RX operate on several channels, i.e.
within a certain port bandwidth, but it can also be used where the TX
and RX operate on single frequencies with even better performance on
insertion loss and attenuation (up to 90 dB).
The duplexer is available in a variety of different versions depending on
duplex spacing, frequency, bandwidth and attenuation.
The MPX 70/44-...-TETRA-N is tunable within 380 - 470 MHz range.
See also “Ordering information”.
The miniaturization of the filter has been realized by using special high-
Q, temperature compensated helical resonators.
The housing is made of extruded aluminium, the chassis of steel, and
teflon insulation has been applied in the rigid coaxial cables and in the
connectors.
The filter is black vinyl coated to prevent corrosion.
Other models with different frequencies, duplex spacing, bandwidth and
attenuation are available on request.
ORDERING DESIGNATION
TYPE PRODUCT NO. TX MHZ RX MHZ
MPX 70/44-A-TETRA-N 200002280 380 - 395 405 - 420
MPX 70/44-B-TETRA-N 200002281 380 - 395 410 - 425
MPX 70/44-C-TETRA-N 200002282 380 - 395 415 - 430
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.
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 prepared for
direct soldering into PCB.
SPECIFICATIONS
ELECTRICAL
MODEL MPX 70/44-...-TETRA-N
MAX. INPUT POWER 50 W
TX/RX-FREQUENCY See model selection table above
BANDWIDTH 15 MHz
INSERTION LOSS IN PASSBAND ≤ 1.5 dB (typ. 1.0)
ATTENUATION IN STOPBAND ≥ 60 dB
IMPEDANCE Nom. 50 Ω
SWR (All ports) ≤ 1.5
MECHANICAL
TEMP. RANGE –30° C → +60° C
FREQ. STABILITY Approx. 4.5 ppm/° C
CONNECTORS N-female
DIMENSIONS (L x W x H) 145 x 104 x 56 mm / 5.7 x 4.1 x 2.2 in.
WEIGHT Approx. 700 g / 1.5 lb.
TYPICAL RESPONSE CURVES @ 10 MHz DUPLEX SPACING
PROCOM A/S reserve the right to amend specifications
without prior notice.
09/07/13