Bird - The RF Experts
89-37-06A
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89-37-06A

89-37-06A, 144-174 MHz, Preselector
Bird has designed application-specific multi-cavity and combline filter products for use in limiting the bandwidth in front of a multiple-receiver system (Preselector) or after a multiple-transmitter system (Post Selector).

  • Several models available to match your specific application.
  • All filters are factory tuned to meet specific frequency channel requirements
  • Temperature compensation keeps product tuned to specification from -30 to +60° C.
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89-37-06A
product specifications:
Item No
89-37-06A
Item Name
144-174 MHz, Preselector
RF Power
125 W
Number of Cavities-Resonators
4 x 4"
Pass Bandwidth
0.5 to 2.0 MHz
Frequency Range
144-174 MHz
Specification Bandwidth
1.0 MHz
Insertion Loss
1.4 dB @ 160 MHz
Max Insertion Loss at Passband Edge
1.8 dB
Typical Selectivity
65 dB @ 155 MHz
78 dB @ 165 MHz
Return Loss
20 dB
VSWR
1.22:1
Temperature Range
-30 to +60 °C
Connectors
BNC
Dimensions H x W x D
5.25" x 19" x 20"
(133 x 483 x 508 mm)
Mounting
19" EIA Rack Mount
Shipping Weight
19 lbs. (8.6 kg)