Amplifiers – With plural amplifier channels – Redundant amplifier circuits
Patent
1995-05-04
1996-08-06
Mottola, Steven
Amplifiers
With plural amplifier channels
Redundant amplifier circuits
330149, H03F 368, H03F 126
Patent
active
055437524
ABSTRACT:
A microwave amplifier circuit includes a divider having an input connected to an input terminal of the amplifier circuit, dividing an input signal applied to the input terminal into two divided signals, and outputting the divided signals to first and second output ends outputs, respectively. First and second microwave amplifiers having inputs respectively connected to the first and second outputs of the divider. A combiner mixer having first and second inputs and an output as the first input connected to the output of the first microwave amplifier through a 90.degree. phase shifter, the second input connected to the output of the second microwave amplifier, and the output connected to the output terminal of the microwave amplifier circuit. Therefore, the doublet component of the output signal can be suppressed by combining the amplified signal which has shifted the phase of the doublet component by 180.degree. the amplified signal having the same phase as the input signal. As a result, in the microwave amplifier circuit, the passing phase of the signal passing through the amplifier circuit does not vary, gain at outside the band, i.e., gain in the high frequency region, is suppressed and the IM3 frequency component is suppressed.
REFERENCES:
patent: 4532478 (1985-07-01), Silagi
patent: 5019793 (1991-05-01), McNab
patent: 5101171 (1992-03-01), Redmond
patent: 5311155 (1994-05-01), Blodgett
patent: 5317288 (1994-05-01), Yung et al.
Chambers, "Unity-Gain Frequency-Independent Precision Phase-Shifter", Electronics Letters, vol. 20, No. 4, 1984, pp. 151-152.
Mitsubishi Denki & Kabushiki Kaisha
Mottola Steven
LandOfFree
Microwave amplifier circuit having reduced harmonic distortion does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Microwave amplifier circuit having reduced harmonic distortion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microwave amplifier circuit having reduced harmonic distortion will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2193652