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Multifunctional frequency multiplier

A frequency multiplier and multi-functional technology, applied in the field of frequency sources and frequency multipliers, to achieve the effect of small frequency multiplier spurs and simple circuit structure

Active Publication Date: 2013-10-16
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

But this kind of frequency multiplier can only generate one usable harmonic component (secondary or third), if a reference frequency source is to be doubled or tripled at the same time, two balanced frequency doublers are often required and frequency tripler

Method used

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] like figure 1 Shown is a multifunctional frequency multiplier, including a low-pass filter 1, a high-frequency choke circuit 8, a band-pass filter 10, a first phase adjustment transmission line 2, a second phase adjustment transmission line 7, and a third phase adjustment transmission line 9. The first Schottky diode 3 , the second Schottky diode 4 , the first open line 5 and the second open line 6 .

[0024] The first Schottky diode 3 and the second Schottky diode 4 are connected in series in the same direction, and the common end of the first Schottky diode 3 and the second Schottky diode 4 is a contact point, and the second Schottky diode The anode of 4 is grounded; the first open line 5 and the second open line 6 are connected in series, and the common end of the first open line 5 and the second open line 6 is the b contact.

[0025] The input end of the l...

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Abstract

The invention discloses a multifunctional frequency multiplier, which comprises an input low pass filter, a pair of Schottky diodes connected in series in the same direction, an output band pass filter, two 1 / 4 wavelength open-circuit lines in series connection, a high-frequency choke circuit, a first phase adjusting transmission line, a second phase adjusting transmission line and a third phase adjusting transmission line. The multifunctional frequency multiplier provided by the invention is simple in circuit structure and low in frequency-multiplication stray, and can be applied to miniaturized highly-integrated broadband frequency synthesizers or multi-mode transceivers.

Description

technical field [0001] The invention relates to a frequency multiplier applied to microwave and millimeter wave frequency bands. The frequency multiplier can realize low spurious secondary and tertiary frequency multipliers at the same time, and is especially suitable for frequency sources in the field of communication or electronic countermeasures. Background technique [0002] The frequency source is the heart of communication and radar systems. With the blowout development of data capacity in modern communication systems, the signal bandwidth is often as high as several gigahertz; in addition, in order to realize the miniaturization of the communication system, the transceivers of multiple frequency bands will be integrated into one design. For example, in an electronic countermeasure system, the bandwidth of the frequency synthesizer often covers one or more radar frequency bands, and the frequency multiplier is widely used in the frequency source system of electronic co...

Claims

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Application Information

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IPC IPC(8): H03B19/00
Inventor 郭健徐杰崔寅杰许正彬钱澄
Owner SOUTHEAST UNIV
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