Bird - The RF Experts
89-37-13A
89-37-13A, 144-174 MHz, Preselector
89-37-13A

89-37-13A, 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.
89-37-13A, 144-174 MHz, Preselector
89-37-13A
product specifications:
Item No
89-37-13A
Item Name
144-174 MHz, Preselector
RF Power
400 W
Number of Cavities-Resonators
4 x 6.625"
Pass Bandwidth
0.5 to 2.0 Mhz
Frequency Range
144-174 MHz
Specification Bandwidth
1.0 MHz
Insertion Loss
0.7 dB @ 160 MHz
Max Insertion Loss at Passband Edge
1.0 dB
Typical Selectivity
73 dB @ 155 MHz
76 dB @ 165 MHz
Return Loss
20 dB
VSWR
1.22:1
Temperature Range
-30 to +60 °C
Connectors
N
Dimensions H x W x D
33" x 19" x 15"
(838 x 483 x 381 mm)
Mounting
19" EIA Rack Mount
Shipping Weight
50 lbs. (22.6 kg)