Bird - The RF Experts
89-70-01A
89-70-01A, 450-470 MHz, Preselector
89-70-01A

89-70-01A, 450-470 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.
89-70-01A, 450-470 MHz, Preselector
89-70-01A
product specifications:
Item No
89-70-01A
Item Name
450-470 MHz, Preselector
RF Power
200 W
Number of Cavities-Resonators
4 x 4"
Pass Bandwidth
0.5 to 2.0 MHz
Frequency Range
450-470 MHz
Specification Bandwidth
1.0 MHz
Typical Insertion Loss
1.6 MHz
Max Insertion Loss at Passband Edge
2.0 dB
Typical Selectivity
60 dB @ ± 4.5 MHz
Return Loss
17 dB
VSWR
1.32:1
Temperature Range
-30 to +60 °C
Connectors
BNC
Dimensions H x W x D
9.5" x 19" x 10.5"
(241 x 483 x 267 mm)
Mounting
19" EIA Rack Mount
Shipping Weight
14 lbs. (6.3 kg)