JPH01110511U - - Google Patents
Info
- Publication number
- JPH01110511U JPH01110511U JP581188U JP581188U JPH01110511U JP H01110511 U JPH01110511 U JP H01110511U JP 581188 U JP581188 U JP 581188U JP 581188 U JP581188 U JP 581188U JP H01110511 U JPH01110511 U JP H01110511U
- Authority
- JP
- Japan
- Prior art keywords
- pass filter
- line
- frequency signal
- frequency
- band
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Superheterodyne Receivers (AREA)
Description
第１図はこの考案の一実施例の概略構成を示す
ブロツク図、第２図ａ〜ｃは同実施例の主要な要
素の周波数とサセプタンスとの関係を示す線図、
第３図および第４図は同実施例の主要な要素の周
波数と挿入損失との関係を示す線図、第５図は同
実施例の具体的構成を示す斜視図、第６図は他の
実施例の具体的構成を示す斜視図、第７図は従来
のハーモニツクミクサの構成を示すブロツク図で
ある。
１…ＲＦ端子、２…ＬＯ端子、３…ＩＦ端子、
４…受信高周波信号用帯域通過ろ波器、５…ミク
サダイオード、６…局発信号用高域通過ろ波器、
７…局発中間信号用低域通過ろ波器、９…第１の
線路、１０…第１の１／４波長線路、１１…第２
の線路、１２…第２の１／４波長線路、１３…第
３の線路。なお、各図中、同一符号は同一または
相当部分を示す。
FIG. 1 is a block diagram showing a schematic configuration of an embodiment of this invention, and FIGS. 2 a to 2 c are diagrams showing the relationship between frequency and susceptance of the main elements of the embodiment.
3 and 4 are diagrams showing the relationship between the frequency and insertion loss of the main elements of the same embodiment, FIG. 5 is a perspective view showing the specific configuration of the same embodiment, and FIG. FIG. 7 is a perspective view showing the specific structure of the embodiment, and FIG. 7 is a block diagram showing the structure of a conventional harmonic mixer. 1...RF terminal, 2...LO terminal, 3...IF terminal,
4...Band pass filter for received high frequency signals, 5...Mixer diode, 6...High pass filter for local oscillator signals,
7... Low-pass filter for local intermediate signal, 9... First line, 10... First 1/4 wavelength line, 11... Second
line, 12... second 1/4 wavelength line, 13... third line. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
過ろ波器と、中間周波信号を阻止すると共に局部
発振信号の通過を許容する高域通過ろ波器と、局
部発振信号及び中間周波信号の周波数を通過帯域
にもつ低域通過ろ波器と、上記帯域通過ろ波器を
介した高周波信号と上記高域通過ろ波器及び低域
通過ろ波器を介した局部発振信号とを混合する非
線形素子とを備え、この非線形素子によつて得ら
れる局部発振信号の高調波周波数と高周波信号周
波数との差の周波数をもつ混合波を中間周波信号
として上記低域通過ろ波器を介して得るようにし
たハーモニツクミクサにおいて、上記高域通過ろ
波器と低域通過ろ波器とを接続する第１の線路に
一端が接続されて他端が中間周波信号を出力する
第２の線路に接続され、上記局部発振信号の周波
数で概略１／４波長となる長さを有する第１の１
／４波長線路と、一端が上記第１の１／４波長線
路の他端に接続され他端が開放された第２の１／
４波長線路と、一端が上記第１の１／４波長線路
の他端に接続され他端が接地された第３の線路と
を備えたことを特徴とするハーモニツクミクサ。 A band pass filter that allows a predetermined high frequency signal to pass through the band; a high pass filter that blocks an intermediate frequency signal and allows a local oscillation signal to pass; a low-pass filter in a pass band; and a nonlinear element that mixes the high-frequency signal passed through the band-pass filter and the local oscillation signal passed through the high-pass filter and the low-pass filter. and a mixed wave having a frequency that is the difference between the harmonic frequency of the local oscillation signal obtained by the nonlinear element and the high frequency signal frequency is obtained as an intermediate frequency signal via the low pass filter. In the harmonic mixer, one end is connected to a first line connecting the high-pass filter and the low-pass filter, and the other end is connected to a second line that outputs an intermediate frequency signal. , a first one having a length of approximately 1/4 wavelength at the frequency of the local oscillation signal.
/4 wavelength line, and a second 1/4 wavelength line whose one end is connected to the other end of the first 1/4 wavelength line and whose other end is open.
A harmonic mixer comprising a four-wavelength line and a third line whose one end is connected to the other end of the first quarter-wavelength line and whose other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005811U JP2525432Y2 (en) | 1988-01-20 | 1988-01-20 | Harmonic mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005811U JP2525432Y2 (en) | 1988-01-20 | 1988-01-20 | Harmonic mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01110511U true JPH01110511U (en) | 1989-07-26 |
| JP2525432Y2 JP2525432Y2 (en) | 1997-02-12 |
Family
ID=31209507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988005811U Expired - Lifetime JP2525432Y2 (en) | 1988-01-20 | 1988-01-20 | Harmonic mixer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525432Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61137407A (en) * | 1984-12-08 | 1986-06-25 | New Japan Radio Co Ltd | Frequency converter |
-
1988
- 1988-01-20 JP JP1988005811U patent/JP2525432Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61137407A (en) * | 1984-12-08 | 1986-06-25 | New Japan Radio Co Ltd | Frequency converter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525432Y2 (en) | 1997-02-12 |
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