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17 Cards in this Set
- Front
- Back
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what connects one antenna to a transmitter or receiver
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Coupler
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what connects one antenna to several transmitters or receivers
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multi-coupler
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what connects one or more HF receivers to a single antenna?
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Filter
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T/F
Electrical changing of an antenna's length does not physically change the length of the antenna. |
True
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Tuning process is performed by what?
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coupler
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What do you call if an antenna is tuned to the desired operating frequency.
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Resonant
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What does receive antenna tuning utilizes to pass the frequency selected to the receiver?
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Band Pass Filtering
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It is a single antenna tuning system.
Used with HF transmitters Used with Whip Antennas Automatic Tuning |
CU-938/URA-38
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what permits simulataneous operation of as many as four transmitters, operating with a frequency separation of 5% of greater, into a common braodband antenna?
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AN/SRA-56/57/58
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What's the frequency range of an AN/SRA-56?
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2 to 6 MHz
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What's the frequency range of AN/SRA-57?
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4 to 12 MHz
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What's the frequency range of AN/SRA-58?
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10 to 31 MHz
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What kind of a multi-coupler that enables up to four UHF transceivers to use one antenna?
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OA-9123/SRC
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What kind of a multi-couple that isolates each transceiver to allow simultaneous operations and it can be used for transmit and receive?
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OA-9123/SRC
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Give some AN/SRA 49 characteristics:
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Made up of 20 separate modules which are Band Pass Filters.
Frequency range: 2-30 MHz It's a manual tuning |
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AN/SRA-49 (Filter Group) is designed to what?
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this coupler group is designed to connect 20 MF/HF receivers to a single antenna.
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What connects 28 HF receivers to a single antenna by means of seven Band Pass Filters?
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AN/SRA-12
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