Multi-channel amplifier apparatus
First Claim
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1. A multi-channel amplifier apparatus for oscillation packets, comprising:
- an amplifier having an input and an output;
input and output delay line means;
input switches and output switches;
the input delay line means being formed by at least one primary electro-acoustical multiple delay line having a receiver transducer and a plurality of transmitter transducers;
said transducers being contained on a crystal substrate;
said amplifier further being connected at its input with the receiver transducer of the primary multiple delay line;
a plurality of input channels connected with a respective transmitter transducer of the primary multiple delay line;
each of said input channels being capable of being connected via a related input switch with correlated outputs of a radar front-end simultaneously delivering sporadic oscillation packets to be transmitted over the multi-channel amplifier apparatus;
said input switches insuring that said electro-acoustical transmitter transducers are always collectively short-circuited with a reference potential or earth when the oscillation packets are not present;
the output delay line means being formed by at least one secondary electro-acoustical multiple delay line having a transmitter transducer and a plurality of receiver transducers;
said transducers being contained on a crystal substrate;
said amplifier further being connected at its output with the transmitter transducer of the secondary multiple delay line;
a plurality of output channels connected with a respective receiver transducer of the secondary multiple delay line;
each of said output channels being capable of being connected via a related output switch with correlated inputs of a signal processor receiving the sporadic oscillation packets simultaneously transmitted over the multi-channel amplifier apparatus; and
said output switches insuring that said electro-acoustical receiver transducers are collectively always short-circuited with a reference potential or earth when the oscillation packets are not present.
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Abstract
A multi-channel amplifier apparatus for oscillation or pulse packets wherein there is provided an amplifier having an input connected by a number of input time-delay lines with a respective input channel, each of which is correlated to an oscillation or pulse packet. The output of the amplifier is connected by means of respective series circuits of an output time-delay line and an output switch connected thereafter with a respective output channel correlated to the corresponding oscillation packet.
11 Citations
7 Claims
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1. A multi-channel amplifier apparatus for oscillation packets, comprising:
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an amplifier having an input and an output; input and output delay line means; input switches and output switches; the input delay line means being formed by at least one primary electro-acoustical multiple delay line having a receiver transducer and a plurality of transmitter transducers; said transducers being contained on a crystal substrate; said amplifier further being connected at its input with the receiver transducer of the primary multiple delay line; a plurality of input channels connected with a respective transmitter transducer of the primary multiple delay line; each of said input channels being capable of being connected via a related input switch with correlated outputs of a radar front-end simultaneously delivering sporadic oscillation packets to be transmitted over the multi-channel amplifier apparatus; said input switches insuring that said electro-acoustical transmitter transducers are always collectively short-circuited with a reference potential or earth when the oscillation packets are not present; the output delay line means being formed by at least one secondary electro-acoustical multiple delay line having a transmitter transducer and a plurality of receiver transducers; said transducers being contained on a crystal substrate; said amplifier further being connected at its output with the transmitter transducer of the secondary multiple delay line; a plurality of output channels connected with a respective receiver transducer of the secondary multiple delay line; each of said output channels being capable of being connected via a related output switch with correlated inputs of a signal processor receiving the sporadic oscillation packets simultaneously transmitted over the multi-channel amplifier apparatus; and said output switches insuring that said electro-acoustical receiver transducers are collectively always short-circuited with a reference potential or earth when the oscillation packets are not present. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification