Bird Technologies 42-35A-02280-X - Manual

VHF Airband Cavity Filter
118-137 MHz
For Tx Combiner/Rx Multicoupler
• 8” diameter cavity for easy 19” rack mounting
• RoHS compliant for sale in European Union
• Cavity as a building block can be used in Transmit Combiner,
Receive Multicoupler, Cavity filter (bandpass, vari-notch, or
series-notch), or Duplexer
• Best-in-class specification for multi-channel systems with
minimal guardbands
Cavity Receive Multicoupler Cavity Transmit Combiner
Model Numbers* 42-35A-02094-X 42-35A-02280-X 44-35A-02093-X 44-35A-02279-X
Cavity Size 8”(203 mm) diameter 8”(203 mm) diameter 8”(203 mm) diameter 8”(203 mm) diameter
Number of Cavities Per Channel 1 2 1 2
Cavity tuning range 118-137 MHz 118-137 MHz 118-137 MHz 118-137 MHz
Minimum Channel Separation 200 kHz 200 kHz 200 kHz 200 kHz
Cavity Insertion Loss 0.9 dB 0.9 dB 0.9 dB 0.9 dB
Maximum Channel Insertion Loss
(When configured as a combiner or multicoupler)
2.0 dB 2.5 dB 2.5 dB 3.0 dB
Isolator Insertion Loss n/a n/a 0.5 dB 0.5 dB
Isolation, channel to channel n/a n/a 30 dB 35 dB
Isolation, Antenna to Transmitter n/a n/a 25 dB 25 dB
Maximum Power per channel
(at minimum channel separation)
Rx only Rx only 50 W 50 W
Maximum Power per channel
(at wider channel separation)
Rx only Rx only 80W typical 80W typical
* X at the end of model number indicates number of channels: 2~6 channels
691VHFA118_137-DS09152006
Bird® Technologies Group combines the industry leading brands of both Bird Electronic and TX RX Systems and is a global, innovative supplier of RF products, systems, services and
educational solutions. Bird ® Technologies Group reserved the right to modify specifications or discontinue any product without notice.
www.bird-technologies.com 440.248.1200/866.695.4569 [email protected]