Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
JPH0533562B2 - - Google Patents
[go: Go Back, main page]

JPH0533562B2 - - Google Patents

Info

Publication number
JPH0533562B2
JPH0533562B2 JP60018298A JP1829885A JPH0533562B2 JP H0533562 B2 JPH0533562 B2 JP H0533562B2 JP 60018298 A JP60018298 A JP 60018298A JP 1829885 A JP1829885 A JP 1829885A JP H0533562 B2 JPH0533562 B2 JP H0533562B2
Authority
JP
Japan
Prior art keywords
line
local oscillation
mixer
diode
distributed coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP60018298A
Other languages
Japanese (ja)
Other versions
JPS61177803A (en
Inventor
Yasumichi Shizume
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP60018298A priority Critical patent/JPS61177803A/en
Priority to AU52895/86A priority patent/AU572077B2/en
Priority to CA000500800A priority patent/CA1238953A/en
Priority to DE8686300694T priority patent/DE3685340D1/en
Priority to US06/825,235 priority patent/US4691379A/en
Priority to EP86300694A priority patent/EP0190902B1/en
Publication of JPS61177803A publication Critical patent/JPS61177803A/en
Publication of JPH0533562B2 publication Critical patent/JPH0533562B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Superheterodyne Receivers (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、マイクロ波帯受信装置に使用される
シングルミキサに関し、特に2種類の異なつた周
波数の局部発振信号を入力とするシングルミキサ
に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a single mixer used in a microwave band receiving device, and particularly to a single mixer that receives local oscillation signals of two different frequencies as input. It is.

〔従来の技術〕[Conventional technology]

従来、この種のシングルミキサは、第2図に示
すように局部発振信号の入力として1種類の周波
数であつた。
Conventionally, this type of single mixer has only one type of frequency as input for a local oscillation signal, as shown in FIG.

即ち、第2図において、高周波信号入力端子1
から入力された高周波信号は、主線路5を伝搬し
て、ミキサダイオード6に印加される。一方、端
子2から入力された局部発振信号は、主線路5と
結合した分布結合形帯域通過フイルタ(以下
BPFと言う)8を通過してダイオード6に印加
される。前記高周波信号及び局部発振信号がダイ
オード6に印加されることにより発生する中間周
波信号(以下IF信号と言う)は、高周波信号及
び局部発振信号を遮断するための低域通過フイル
タ(以下LPFと言う)10を通過してIF信号出
力端子4に出力される。
That is, in FIG. 2, high frequency signal input terminal 1
The high frequency signal input from the main line 5 is applied to the mixer diode 6 after propagating through the main line 5 . On the other hand, the local oscillation signal input from terminal 2 is passed through a distributed coupling bandpass filter (hereinafter referred to as
(BPF) 8 and is applied to the diode 6. An intermediate frequency signal (hereinafter referred to as IF signal) generated by applying the high frequency signal and local oscillation signal to the diode 6 is passed through a low pass filter (hereinafter referred to as LPF) for blocking the high frequency signal and local oscillation signal. ) 10 and is output to the IF signal output terminal 4.

〔解決すべき問題点〕[Problems to be solved]

上記のような従来のシングルミキサでは、異な
つたもう1つの周波数の局部発振信号を入力しよ
うとすると、主線路5に対し、第3図に示す如
く、BPF8と反対側にあるいは第4図に示す如
くBPF8と並列に新らたに、BPF9を追加する
ことが考えられる。
In the conventional single mixer as described above, when trying to input a local oscillation signal of another different frequency, the main line 5 is placed on the opposite side of the BPF 8 as shown in Figure 3, or on the opposite side of the BPF 8 as shown in Figure 4. It is conceivable to add a new BPF9 in parallel with BPF8.

しかしながら、この構成では、BPFが2種類
も主線路に結合していることから、高周波信号に
悪影響を及ぼし、高周波信号からIF信号への変
換損失の増大を招き、また回路実現の面積が広く
なるという問題点があつた。
However, in this configuration, two types of BPFs are coupled to the main line, which adversely affects high-frequency signals, increases conversion loss from high-frequency signals to IF signals, and increases the area for circuit implementation. There was a problem.

本発明は、上記問題点を解決するもので、
BPFが2種類あつても高周波信号に影響を与え
ず、回路実現の面積を小さくすることを可能とす
る新規なシングルミキサを提供することを目的と
する。
The present invention solves the above problems, and
The purpose of the present invention is to provide a novel single mixer that does not affect high-frequency signals even when there are two types of BPFs, and allows the area of circuit implementation to be reduced.

〔問題点の解決手段〕[Means for solving problems]

上記本発明の目的を達成するための本発明に係
るシングルミキサの構成は、入力高周波信号が伝
搬してくる主線路の先端に接続されたミキサダイ
オードと、前記主線路の反対側に配置され、前記
ミキサダイオードの他端に接続された前記高周波
信号に対して約1/4波長の長さを有する分布結合
線路と、前記分布結合線路の両側にそれぞれ配置
される2つの分布結合形帯域フイルタと、前記2
つの分布結合形帯域フイルタにそれぞれ異なる周
波数の局部発振信号を供給するための2つの局部
発振信号供給用線路と、前記結合線路の前記ミキ
サダイオードとの接続側から中間周波数を取り出
すための中間周波数用線路とを具備することを特
徴とする。
The configuration of the single mixer according to the present invention for achieving the above object of the present invention includes a mixer diode connected to the tip of the main line through which the input high-frequency signal propagates, and a mixer diode arranged on the opposite side of the main line, a distributed coupling line having a length of approximately 1/4 wavelength with respect to the high frequency signal connected to the other end of the mixer diode; and two distributed coupling type bandpass filters disposed on both sides of the distributed coupling line. , 2 above
Two local oscillation signal supply lines for supplying local oscillation signals of different frequencies to two distributed coupling type bandpass filters, and an intermediate frequency line for extracting an intermediate frequency from the side connected to the mixer diode of the coupling line. It is characterized by comprising a railroad track.

〔実施例〕〔Example〕

次に、本発明の一実施例を図面に基づいて説明
する。
Next, one embodiment of the present invention will be described based on the drawings.

第1は、本発明に係るシングルミキサの一実施
例を示す構成図である。
The first is a configuration diagram showing an embodiment of a single mixer according to the present invention.

図中1は高周波信号入力端子であり、この端子
1から入力された高周波信号は、主線路5を伝搬
してミキサダイオード6に印加される。一方、入
力端子2から入力された第1局部発振信号と、こ
の第1局部発振信号の周波数の異なつた入力端子
3から入力された第2局部発振信号は、本発明の
主要な特徴であるダイオード6からみて主線路5
とは反対側に設けられ、高周波信号の約1/4波長
の長さの先端開放分布結合線路7を共用した第1
局部発振信号通過用のBPF8及び第2局部発振
信号通過用の9を通過してダイオード6に印加さ
れる。
In the figure, 1 is a high frequency signal input terminal, and the high frequency signal input from this terminal 1 propagates through the main line 5 and is applied to the mixer diode 6. On the other hand, the first local oscillation signal input from the input terminal 2 and the second local oscillation signal input from the input terminal 3, which has a different frequency from the first local oscillation signal, are connected to a diode, which is a main feature of the present invention. Main line 5 seen from 6
The first one is installed on the opposite side and shares the open-ended distributed coupling line 7 with a length of about 1/4 wavelength of the high frequency signal.
The signal is applied to the diode 6 after passing through the BPF 8 for passing the local oscillation signal and 9 for passing the second local oscillation signal.

また、前記BPF8,9に要求される性能とし
ては、高周波信号及び相手側の局部発振信号に対
して10dB以上の減衰特性と3dB以下の挿入損失
とが必要であり、これを実現することにより、局
部発振信号を効率良くダイオード6に印加するこ
とができるため、低レベルの局部発振信号電力で
済み、また、高周波信号が局部発振信号の入力端
子2,3側へ漏れるのを小さくできる。さらに本
実施例を用いることにより、回路実現の面積を小
さくできる利点がある。
In addition, the performance required for the BPFs 8 and 9 is an attenuation characteristic of 10 dB or more and an insertion loss of 3 dB or less for high frequency signals and local oscillation signals of the other party. Since the local oscillation signal can be efficiently applied to the diode 6, a low level of local oscillation signal power is required, and leakage of high frequency signals to the input terminals 2 and 3 of the local oscillation signal can be reduced. Further, by using this embodiment, there is an advantage that the area for realizing the circuit can be reduced.

一方、IF信号の取出しは、結合線路7のダイ
オード6が実装されている側の先端からLPF1
0を通過して、IF信号出力端子4に出力される。
前記LPF10は、遮断周波数の約1/4波長の長さ
を有する先端開放スタブおよび直列高インピーダ
ンス線路から成るものである。
On the other hand, the IF signal is taken out from the tip of the coupled line 7 on the side where the diode 6 is mounted to the LPF 1.
0 and is output to the IF signal output terminal 4.
The LPF 10 is composed of an open-ended stub having a length of about 1/4 wavelength of the cut-off frequency and a series high impedance line.

スタブ11は、ダイオード6の変換損失を小さ
くするための整合回路として、また局部発振信号
に対する整合回路の両方を兼ね備えている。高イ
ンピーダンス線路12は、ダイオード6のミキサ
電流帰還用の先端短絡の高インピーダンス線路で
あり、高周波信号の約1/4波長の長さに選んであ
る。
The stub 11 serves both as a matching circuit for reducing the conversion loss of the diode 6 and as a matching circuit for the local oscillation signal. The high impedance line 12 is a short-circuited high impedance line for feedback of the mixer current of the diode 6, and is selected to have a length of about 1/4 wavelength of the high frequency signal.

抵抗15は、ダイオード6のミキサ電流制御用
のものであり、一端がインピーダンス線路12と
接続され、他端は接地されており、抵抗15が
IF信号に悪影響を及ぼさないために、一端が高
インピーダンス線路13と接続され、他端が接地
されたコンデンサ14を用いて、IF信号の約1/4
波長の長さになるように選定してある。
The resistor 15 is for controlling the mixer current of the diode 6, and one end is connected to the impedance line 12 and the other end is grounded.
In order not to adversely affect the IF signal, a capacitor 14 whose one end is connected to the high impedance line 13 and the other end is grounded is used to connect approximately 1/4 of the IF signal.
It is selected to match the length of the wavelength.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明に係るシングルミ
キサによれば、入力高周波信号が伝搬してくる主
線路の先端に接続されたミキサダイオードと、前
記主線路の反対側に配置され、前記ミキサダイオ
ードの他端に接続された前記高周波信号に対して
約1/4波長の長さを有する分布結合線路と、前記
分布結合線路の両側にそれぞれ配置される2つの
分布結合帯域フイルタと、前記2つの分布結合帯
域フイルタにそれぞれ異なる周波数の局部発振信
号を供給するための2つの局部発振信号供給用線
路と、前記結合線路の前記ミキサダイオードとの
接続側から中間周波数を取り出すための中間周波
数線路とを具備してなるから次の効果を奏する。
As explained above, according to the single mixer according to the present invention, the mixer diode is connected to the tip of the main line through which the input high-frequency signal propagates, and the mixer diode is arranged on the opposite side of the main line. a distributed coupling line having a length of about 1/4 wavelength with respect to the high frequency signal connected to the other end; two distributed coupling bandpass filters disposed on both sides of the distributed coupling line; Two local oscillation signal supply lines for supplying local oscillation signals of different frequencies to the coupled band filter, and an intermediate frequency line for extracting an intermediate frequency from the side of the coupled line connected to the mixer diode. This produces the following effects.

ミキサとしての変換損失を小さくすることが
できる。
Conversion loss as a mixer can be reduced.

局部発振信号電力が小さくて済む。 Local oscillation signal power can be small.

回路実現面積の小さなシングルミキサが得ら
れる。
A single mixer with a small circuit area can be obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明に係るシングルミキサの一実
施例を示す構成図である。第2図は、シングルミ
キサの従来例を示す構成図である。第3図及び第
4図は、各々シングルミキサの他の従来例を示す
構成図である。 1……高周波信号入力端子、2……入力端子、
3……入力端子、4……IF信号出力端子、5…
…主線路、6……ミキサダイオード、8……
BPF、9……BPF、10……LPF。
FIG. 1 is a configuration diagram showing an embodiment of a single mixer according to the present invention. FIG. 2 is a configuration diagram showing a conventional example of a single mixer. FIGS. 3 and 4 are configuration diagrams showing other conventional examples of single mixers, respectively. 1...High frequency signal input terminal, 2...Input terminal,
3...Input terminal, 4...IF signal output terminal, 5...
...Main line, 6...Mixer diode, 8...
BPF, 9...BPF, 10...LPF.

Claims (1)

【特許請求の範囲】[Claims] 1 入力高周波信号が伝搬してくる主線路の先端
に接続されたミキサダイオードと、前記主線路の
反対側に配置され、前記ミキサダイオードの他端
に接続された前記高周波信号に対して約1/4波長
の長さを有する分布結合線路と、前記分布結合線
路の両側にそれぞれ配置される2つの分布結合形
帯域フイルタと、前記2つの分布結合形帯域フイ
ルタにそれぞれ異なる周波数の局部発振信号を供
給するための2つの局部発振信号供給用線路と、
前記結合線路の前記ミキサダイオードとの接続側
から中間周波数を取り出すための中間周波数用線
路とを具備することを特徴とするシングルミキ
サ。
1 A mixer diode connected to the tip of the main line through which the input high-frequency signal propagates, and a mixer diode placed on the opposite side of the main line and connected to the other end of the mixer diode about 1/1 A distributed coupling line having a length of 4 wavelengths, two distributed coupling type bandpass filters placed on both sides of the distributed coupling line, and local oscillation signals of different frequencies being supplied to the two distributed coupling type bandpass filters, respectively. two local oscillation signal supply lines for
A single mixer comprising: an intermediate frequency line for extracting an intermediate frequency from a side of the coupled line connected to the mixer diode.
JP60018298A 1985-02-01 1985-02-01 Single mixer Granted JPS61177803A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP60018298A JPS61177803A (en) 1985-02-01 1985-02-01 Single mixer
AU52895/86A AU572077B2 (en) 1985-02-01 1986-01-31 Stripline diode mixer
CA000500800A CA1238953A (en) 1985-02-01 1986-01-31 Mixer circuit
DE8686300694T DE3685340D1 (en) 1985-02-01 1986-02-03 MIXING CIRCUIT.
US06/825,235 US4691379A (en) 1985-02-01 1986-02-03 Mixer circuit
EP86300694A EP0190902B1 (en) 1985-02-01 1986-02-03 Mixer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60018298A JPS61177803A (en) 1985-02-01 1985-02-01 Single mixer

Publications (2)

Publication Number Publication Date
JPS61177803A JPS61177803A (en) 1986-08-09
JPH0533562B2 true JPH0533562B2 (en) 1993-05-19

Family

ID=11967701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60018298A Granted JPS61177803A (en) 1985-02-01 1985-02-01 Single mixer

Country Status (1)

Country Link
JP (1) JPS61177803A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6169511B1 (en) 1998-08-18 2001-01-02 Uniden Corporation Radar detector

Also Published As

Publication number Publication date
JPS61177803A (en) 1986-08-09

Similar Documents

Publication Publication Date Title
EP0368661B1 (en) Microwave filter
JPS6127924B2 (en)
US4691379A (en) Mixer circuit
JPH0533562B2 (en)
JP4643845B2 (en) Filter circuit
CN113114288B (en) Power trap method and trap assembly for high-power transmitter
JPS61116404A (en) Ultra-high frequency coupler
JPS63279608A (en) Integrated amplifier circuit
JPS5943004B2 (en) directional coupler
JP2896011B2 (en) Harmonic mixer
JPS5710507A (en) Mixer in microwave circuit integration
JPS6216567B2 (en)
JPS63257302A (en) Trap circuit in microstrip line
JPS63244906A (en) Bias circuit
JPH039363Y2 (en)
JPH0832393A (en) Filter circuit
JPS6224963Y2 (en)
JPH02182005A (en) Single mixer
JPS6370605A (en) Travelling-wave tube amplifier
JPS6324650Y2 (en)
JPS58134516A (en) single mixer
JPS6359606B2 (en)
JPS61169007A (en) Frequency converter
JPH03133202A (en) Microwave mixer device
JPS61269502A (en) Single mixer