High speed microwave switching logic for eccm

Claim 2

In a receiving system, an electronic counter countermeasures device for preventing a jamming signal from rendering a receiver inoperative, the device comprising: means providing a pair of signal paths for signals received by said system; means connected to a first of said paths for detecting the presence of a jamming signal therein and providing a control signal in response thereto; a delay device for delaying the signals received by said system; means connected to the second of said paths, said means being responsive to said control signal and including a microwave switch having an input and first and second outputs, said input for receiving the delayed signals from said delay device; first and second filters connected to said first and second outputs for preventing jamming signals from passing therethrough; and said microwave switch passing the delayed signals to said second filter only in the presence of said control signal.

Claim 3

In a receiving system, an electronic counter countermeasures device for preventing a jamming signal from rendering a receiver inoperative, the device comprising: means providing a pair of signal paths for signals received by said system; means connected to a first of said paths for detecting the presence of a jamming signal therein and providing a control signal in response thereto; a delay device for delaying the signals received by said system; means connected to the second of said paths, said means being responsive to said control signal and including a microwave switch having an input and first and second outputs, said input for receiving the delayed signals from said delay device; first and second filters connected to said first and second outputs for preventing jamming signals from passing therethrough; and said microwave switch passing the delayed signals to said second filter only in the presence of said control signal.

Claim 4

In a receiving system, an electronic counter countermeasures device for preventing a jamming signal from rendering a receiver inoperative, the device comprising: means providing a pair of signal paths for signals received by said system; means connected to a first of said paths for detecting the presence of a jamming signal therein and providing a control signal in response thereto; a delay device for delaying the signals received by said system; means connected to the second of said paths, said means being responsive to said control signal and including a microwave switch having an input and first and second outputs, said input for receiving the delayed signals from said delay device; first and second filters connected to said first and second outputs for preventing jamming signals from passing therethrough; and said microwave switch passing the delayed signals to said second filter only in the presence of said control signal.

Claim 5

A device as recited in claim 1 wherein the means connected to a first of said paths for detecting the presence of a jamming signal comprises: means for converting said signals received by said system to intermediate frequency signals; and means detecting said intermediate frequency signals and providing said control signal.

Claim 6

A device as recited in claim 2 wherein said means for converting comprises: a mixer having an input connected to receive signals from said first path; and a local oscillator for providing a signal to a second input of said mixer, whereby the output of said mixer is of an intermediate frequency.

Claim 7

A device as recited in claim 3 wherein said means detecting said intermediate frequency signals comprises: a bandpass amplifier for selectively amplifying signals within a guard band; a detector connected to the output of said amplifier for providing a detected output signal; and means providing said control signal when said intermediate frequency signals are within the guard band.

Claim 8

In a receiving system, an electronic counter countermeasure device for preventing a jamming signal from rendering a receiver inoperative, the device comprising: means providing a pair of signal paths for signals received by said system; means connected to a first of said paths for detecting the presence of a jamming signal therein and providing a control signal in response thereto, said means including a mixer having an input connected to receive signals from said first path, a local oscillator for providing a signal to a second input of said mixer, whereby the output signals of said mixer are of an intermediate frequency, a bandpass amplifier for selectively amplifying signals within a guard band, a detector connected to the output of said amplifier for providing a detected output signal, and means providing said control signal when said intermediate frequency signals are within the guard band; and means connected to the second of said paths including a delay device for delaying the signals received by the system, a microwave switch having an input and first and second outputs, said input for receiving the delayed signals from said delay device, first and second filters connected to said first and second outputs for preventing jamming signals from passing therethrough, such that said microwave switch passes the delayed signals to said second filter only during the presence of said control signal.

Claim 9

In a receiving system, an electronic counter countermeasure device for preventing a jamming signal from rendering a receiver inoperative, the device comprising: means providing a pair of signal paths for signals received by said system; means connected to a first of said paths for detecting the presence of a jamming signal therein and providing a control signal in response thereto, said means including a mixer having an input connected to receive signals from said first path, a local oscillator for providing a signal to a second input of said mixer, whereby the output signals of said mixer are of an intermediate frequency, a bandpass amplifier for selectively amplifying signals within a guard band, a detector connected to the output of said amplifier for providing a detected output signal, and means providing said control signal when said intermediate frequency signals are within the guard band; and means connected to the second of said paths including a delay device for delaying the signals received by the system, a microwave switch having an input and first and second outputs, said input for receiving the delayed signals from said delay device, first and second filters connected to said first and second outputs for preventing jamming signals from passing therethrough, such that said microwave switch passes the delayed signals to said second filter only during the presence of said control signal.