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17 Cards in this Set

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