Detector circuit with improved bandwidth
First Claim
Patent Images
1. A detector circuit for an operational bandwidth having a center frequency, the detector circuit comprising:
- a diode;
a first inductor in series with the diode;
a transmission line having a signal line coupled to the diode and having a return line coupled to the first inductor on a first end of the transmission line, the transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth; and
a capacitor connected between the signal line and the return line on a second end of the transmission line.
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Abstract
A detector circuit for an operational bandwidth having a center frequency including a diode, a first inductor in series with the diode, a transmission line coupled across the diode on a first end of the transmission line, the transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth, and a capacitor coupled across a second end of the transmission line.
12 Citations
28 Claims
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1. A detector circuit for an operational bandwidth having a center frequency, the detector circuit comprising:
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a diode; a first inductor in series with the diode; a transmission line having a signal line coupled to the diode and having a return line coupled to the first inductor on a first end of the transmission line, the transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth; and a capacitor connected between the signal line and the return line on a second end of the transmission line. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A detector circuit for an operational bandwidth having a center frequency, the detector circuit comprising:
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an input transmission line having a first signal line and a first return line; a diode coupled to the first signal line; a first inductor coupled in series with the diode and coupled to the first return line; a second transmission line having a second signal line and a second return line, the second signal line coupled to the diode and the second return line coupled to the first inductor on a first end of the second transmission line, the second transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth; and a capacitor connected between the second signal line and the second return line at a second end of the transmission line. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A detector circuit for an operational bandwidth having a center frequency, the detector circuit comprising:
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an input transmission line having a first signal line coupled to a first inductor and first return line coupled to a second inductor; a diode coupled between the first inductor and the second inductor; a second transmission line having a second signal line coupled to the first inductor and having a second return line coupled to the second inductor on a first end of the second transmission line, the second transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth; and a capacitor connected between the second signal line and the second return line on a second end of the transmission line. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A method of providing a detector circuit for an operational bandwidth having a center frequency, the method comprising integrating:
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an input transmission line having a first signal line and a first return line; a diode coupled to the first signal line; a first inductor coupled in series with the diode and coupled to the first return line; a second transmission line having a second signal line and a second return line, the second signal line coupled to the diode and the second return line coupled to the first inductor on a first end of the second transmission line, the second transmission line having an impedance and being in length a quarter wavelength of a frequency near the center frequency of the operational bandwidth; and a capacitor connected between the second signal line and the second return line at a second end of the transmission line. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification