JPH01253658A - Frequency converter - Google Patents
Frequency converterInfo
- Publication number
- JPH01253658A JPH01253658A JP8102888A JP8102888A JPH01253658A JP H01253658 A JPH01253658 A JP H01253658A JP 8102888 A JP8102888 A JP 8102888A JP 8102888 A JP8102888 A JP 8102888A JP H01253658 A JPH01253658 A JP H01253658A
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- frequency
- local oscillator
- output
- signal
- 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
- 239000013643 reference control Substances 0.000 claims abstract description 13
- 230000002194 synthesizing effect Effects 0.000 claims abstract 3
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野１
この発明ｉｌｌスベクＩｌ、Ｉムアナライリ−、イノｌ
−Ｔノークアナライ１ノ覚（どに用いられ５、プリセレ
クタ又はボス［・セレクタと局部発］ル器とを同！ＩＩ
ｌ ｉＩｉ”ｒ引ざ１する周波数変換器に関する。Detailed Description of the Invention "Industrial Application Field 1 This invention
- T nok analyzer 1 sense (what is used for 5, preselector or boss [selector and local oscillator] the same! II
The present invention relates to a frequency converter that performs l iIi''r.
「従来の技術」
第５図に従来の周波数変換器を示す。人力◇Ｈ，１子１
］からの入力分湯はＹＴＦ（＼’ＩＧ Ｔｕｎｅｄ Ｆ
ｉｌｔｅｒ）のプリセレクタ１２へ供給され、周波数か
選択され、その出力は周波数／Ｒ合Ｊｊｊ ＋ ３’＼
供給され、ＹＴ○（ＹＩＧ Ｔｕｎｅｄ ０ｓｃｉｌｌ
、＋ｔｏｒ）の局部発振！ＨＩ４の出力と周波数混合さ
れる。局部発振ｇＨ，； 、 ４は周波数掃引され、そ
の出力はＧ Ｉ Ｙを含む周波数ブ１″別２Ｆ； Ｉ
Ｊ ’＼供給され、王のｊ、“１１波数弁別Ａ”ｒ：
ｌ ｔｌの出力で主１１イル１１１メ、・■すＪ ｌ’
ｊｌ ’ｄ各１０か１１１肩１１）」され、主−ｌイル
駆りＪ回路１Ｇはプリレし・フタＩ２０）ＹＩＧに対す
る磁場を与える７【−１イルを１；［駆動する。このよ
）な構成で、局部光Ｆ；器ｊ４の周波数掃引と同１す１
シてブＩＪ ｔ７１．／クタ］１）のＬ’ｌｌ波数選択
１、冒゛」が掃引される。"Prior Art" FIG. 5 shows a conventional frequency converter. Human power◇H, 1 child 1
] The input hot water from YTF (\'IG Tuned F
ilter) is supplied to the preselector 12, which selects the frequency, and its output is the frequency/R sum Jjj + 3'\
Supplied, YT○ (YIG Tuned 0scill
, +tor) local oscillation! It is frequency mixed with the output of HI4. The local oscillator gH;
J'\supplied, King's j, "11 wavenumber discrimination A"r:
Main 11 ile 111 me with the output of l tl,・■suJ l'
jl'd each 10 or 111 shoulder 11)'', and the main -l ile drive J circuit 1G drives the 7[-1 ile which provides a magnetic field for the pre-release/lid I20) YIG. With this configuration, the frequency sweep of the local light F;
Shitebu IJ t71. /actor]1) L'll wave number selection 1, attack'' is swept.
、二のよう乙ご従来の周波数変換器において、局部発振
器］４とプリセし・フタ１２との周波数掃引の同ＩＵｊ
かとれるか、プリセレクタ１２か局部発振器１４に追従
するため、局部発振器１４の直線性が悪いと、周波数変
換オニ：仝休としＣの直線性も悪く、周波数設定モイ「
度か悪いものとなる。, In the conventional frequency converter, the frequency sweep of the local oscillator 4 and the preset cover 12 is the same IUj.
If the linearity of the local oscillator 14 is poor, the linearity of the frequency conversion switch will be poor, and the frequency setting mode will be affected.
degree or worse.
「課題を解決するための下段」
この発明によＰ＋、ば局部発振器の出力！；ＪＦＶ変換
器・＼供給され、周波数に対応した電圧に変換される。``Lower stage to solve the problem'' With this invention, P+ is the output of the local oscillator! ; JFV converter ＼ is supplied and converted into a voltage corresponding to the frequency.
そのＩパ■変換器の出力と基【１（制御信号との誤差化
υか誤差発”＝１′”Ｊ’ｒ’ｊて発）↑され、その誤
差信号と、！、；、 １ｌｆ−制御３１］信υとか第１
合成回路で合成されて局部発１１ｉＣ器に対−づる制御
：１１僧号とされる。またプリセレクタう、１ボストＬ
・Ｌ・フタの制御特性のＪ１曲線性に対する補正信号か
補正１、−１最発生Ｔ段により発生され、その袖正信閃
と基’４’ ｉｌＩ’ｌ ｔａｉｌ Ｉｒ’１℃とが第
２冶成回路で合成され−Ｃプ））セレクタ又はボス］セ
レクタに対ず＜：＋ １ｌｉｌ制御（、−、’＋’−１
．；とされｚｌ。The output of the I/P converter and the base [1 (error conversion with the control signal υ or error generation "=1'"J'r'j) ↑, and the error signal and ! , ;, 1lf-control 31] belief υ or the first
The signals are combined in a synthesis circuit and connected to a local oscillator (11iC) for control: 11. Also, preselector, 1 boss L
・The correction signal for the J1 curve of the control characteristic of the L-lid is generated by the correction 1, -1 most generated T stage, and its sleeve Masanobu flash and the base '4'ilI'l tail Ir'1°C are the second correction signal. Synthesized in the configuration circuit and -Cp)) selector or boss] selector <:+ 1lil control (, -, '+'-1
．． ; and zl.
［一実施例−１
第１図ＬＪこの発明の第１実施例を不−４ｏ入力端了−
１１からの入力分湯し１プリセレクタ１２て昆１波数ｊ
ｘ択され、イの出力は周波数混合Ｈ１３へ供給される。[One Embodiment-1 Figure 1 LJ The first embodiment of this invention is shown in Figure 1.
Input from 11 1 preselector 12 1 wave number j
The output of x is selected and the output of a is supplied to the frequency mixer H13.
局部発振器１４の出）月」必要に応して逓倍器２１て周
波数逓（ｉｉされて周波数混合Ｊ：＋ １． Ｊ ”、
イ」（給される。If necessary, the output of the local oscillator 14 is frequency multiplied by the multiplier 21 (ii) and the frequency is mixed J: +1.J",
'i' (paid)
基＜ｉｌｔ制御制御１亮
信−号発生器２２はその入力のタイミングに応Ｕ２て理
想的なランプ４１圧を発イ（゛．するｌ）Δ変換器てあ
り、逓倍器２〕の設定逓倍次数に応してランプ電圧の傾
斜かかえられる。この基準制御（１”ｌ−υ番：Ｊ合成
回１１′と２３を通して電圧電流変換器２４・・供給さ
れ、電圧′ｊＫ流変換２１１４の出力て局部発１辰器１
，１か制御される。The signal generator 22 generates an ideal lamp 41 pressure according to the timing of its input.The signal generator 22 is equipped with a Δ converter and multiplies the setting of the multiplier 2. The slope of the lamp voltage is changed depending on the order. This reference control (number 1"l-υ: is supplied to the voltage-current converter 24 through the J composite circuits 11' and 23, and the output of the voltage-current converter 2114 is the local oscillator 1
, 1 is controlled.
局部発振器１４の出力は分岐回路２５−（分岐され、必
要に応して分１．１Ｒｉｉ２６でＲ；１波銭分周され、
その分周出力ばＦＶ変換器２７で周波数に応じた電月に
変換される。卜゛■変換累（２７の出力と．２．￥（１
１。The output of the local oscillator 14 is branched to a branch circuit 25-(and is divided by 1.1 Rii 26 as necessary.
The frequency-divided output is converted by the FV converter 27 into electric power according to the frequency.卜゛■ Conversion cumulative (27 outputs and .2.￥(1
1.
制御体りとの誤差信号か誤差発生器２）３て発イー１さ
れる。この誤差信号Ｌｅｔ合成回路２３−２供給され、
基？１１！制御信号と合成されて局発振器１４に対する
；ｔｉｌｌれ）１括号となる。An error signal with the control body is generated by an error generator 2). This error signal Let synthesis circuit 23-2 is supplied,
Base? 11! It is combined with the control signal and becomes one bracket for the local oscillator 14.
局部発振器１． ４ ＋Ｊ駆動磁気回路のＪ「直線性、
ヒステリう・ス１、）性のためその制御特性は第２図の
曲線２９の，Ｊ、うになるか、その理想的な基【１（己
制御信号に対するずれが誤差発生器２８て検出され、こ
れを補償するように誤差信号が基へ１ｏ制制御分に重畳
され、制御＋）性は第２図の曲線３１に示ずようもこ直
線性のものとなる。Local oscillator 1. 4 + J “linearity” of the J drive magnetic circuit,
Due to the hysteresis, the control characteristic becomes the curve 29 in FIG. In order to compensate for this, an error signal is superimposed on the 1o control component, and the control becomes linear as shown by curve 31 in FIG.
更にプリセレクタ１２の駆動磁気回路のＪ１直易）性及
びヒステリシス））性のためその制御特性は第３図の曲
線３２に示すようになるか、これを補正りるデータ、つ
まり直線的制御＋１１性（第３図の曲Ｆｖｊ＋： ：Ｊ
３ ）に対するずれが補正データメモリ３４に記１θ
さ才１１、この補正デークツ〔す３４は基ハ（制御］Ｉ
信号発生器２２０発４Ｌタイミングと同期してＭＣの出
される。イの読み出し出力をＤＡ変換器３５てアナロク
信５シに変換され、この補正信号Ｇ：１合成回路：３Ｇ
−ご基準制御信号と合成される。この合成出力は電圧電
’／Ａ変換器３７を通して制御信刊としてプリセレクタ
１２−・・供給される。なお図に示してないが、プリセ
レクタ１２の選択周波数と、局部発振器１４の発振周波
数との固定的な差周波数に対応した直流信号か合成回路
３６・・供給されている。Furthermore, due to the J1 straightness and hysteresis of the drive magnetic circuit of the preselector 12, its control characteristics will be as shown in curve 32 in FIG. 3, or data to correct this, that is, linear control +11 (Song Fvj+ in Figure 3: :J
3) is recorded in the correction data memory 34 as 1θ
11, this correction data is based on (control) I
The MC is output in synchronization with the 4L timing of the signal generator 220. The readout output of A is converted into an analog signal by the DA converter 35, and this correction signal G:1 synthesis circuit: 3G
– Combined with your reference control signal. This combined output is supplied as a control signal to the preselector 12 through the voltage/voltage/A converter 37. Although not shown in the figure, a DC signal corresponding to a fixed difference frequency between the selected frequency of the preselector 12 and the oscillation frequency of the local oscillator 14 is supplied to the synthesis circuit 36.
プリセレクタ１２と局部発振器１４とは共通の基準制御
信号により制御３１１されるため、プリセレクタ１２の
選択周波数と、局部発振器１４の発振周波数とが同期制
御される。しかもＩｉｉ■述したようにプリセレクタ１
２、局部発振器１４ともに直線的に制御が行われる。Since the preselector 12 and the local oscillator 14 are controlled 311 by a common reference control signal, the selected frequency of the preselector 12 and the oscillation frequency of the local oscillator 14 are synchronously controlled. Moreover, as mentioned above, preselector 1
2. Both local oscillators 14 are controlled linearly.
第４図はこの発明の第２実施例を示し、第１図と対応す
る部分にば同一符号をイ・］りである。この例では入力
端７−１１の入力信号シコ周波数混合器１３へ供給され
、局部発振器１４の局部信号と周波数混合され、その出
力かボス１〜セレクタ４１へ供給され、ボス１−セレク
タ４１より局部信号１’Ｍ］波数と入力信号周波数との
和又は差の信号が得られる。FIG. 4 shows a second embodiment of the present invention, in which parts corresponding to those in FIG. 1 are denoted by the same reference numerals. In this example, the input signal at the input terminal 7-11 is supplied to the siko frequency mixer 13, where it is frequency mixed with the local signal of the local oscillator 14, and its output is supplied to the boss 1 to selector 41, and from the boss 1 to selector 41, the local signal is mixed. Signal 1'M] A signal of the sum or difference between the wave number and the input signal frequency is obtained.
補正データメモリ３４にはボストセレクタ４１におりる
制御特性の直線性からのずれが記憶されている。局部発
振器１４もボス１〜セレクタ４１も共通のＷ準制御信月
により制御され、その際に局部発振器１４については誤
差発生器２８からの誤差信号による補正が行われ、ボス
トセレクタ４１については補正データメモリ３４の出力
による補正か行われ、何れも直線的な制御が行われる。The correction data memory 34 stores the deviation from linearity of the control characteristics of the boss selector 41. Both the local oscillator 14 and the boss 1 to the selector 41 are controlled by a common W quasi-control signal, and at this time, the local oscillator 14 is corrected by the error signal from the error generator 28, and the boss selector 41 is corrected by the correction data. Correction is performed using the output of the memory 34, and linear control is performed in both cases.
「発明の効果」
以上述べたようにこの発明によれば局部発振器とプリセ
レクタ又はボストセレクタとは共通の基準制御信号で制
御されるため、局部発振周波数と選択周波数とが同期制
御１１される。しかも局部発振器に対する非直線性から
のずれが検出されてその補正がなされ、直線的な制御が
行われる。かつプリセレクタはボストセレクタについて
も補正データメモリの出力に、より直線性からのずれが
補正される。[Effects of the Invention] As described above, according to the present invention, since the local oscillator and the preselector or the post selector are controlled by a common reference control signal, the local oscillation frequency and the selected frequency are synchronously controlled (11). Furthermore, deviations from nonlinearity for the local oscillator are detected and corrected, and linear control is performed. Furthermore, deviations from linearity of the preselector and the boss selector are further corrected in the output of the correction data memory.
【図面の簡単な説明】
第１図はこの発明の第１実施例を示すゾロツク図、第２
図は局部発振器の制御特性図、第３図はプリセレクタの
制御特性図、第４図はこの発明の第２実施例を示ずブｌ
コック図、第５図は従来の周波！ｌｌ変換器を示ずブ１
１ツク図である。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a Zorock diagram showing the first embodiment of the present invention, and Fig. 2 is a
The figure is a control characteristic diagram of the local oscillator, FIG. 3 is a control characteristic diagram of the preselector, and FIG. 4 is a diagram showing the second embodiment of the present invention.
Cock diagram, Figure 5 is the conventional frequency! ll converter not shown 1
This is a single diagram.
Claims (2)
るプリセレクタと、制御信号により発振周波数が制御さ
れる局部発振器と、その局部発振器の出力及び上記プリ
セレクタの出力が供給される周波数混合器とよりなる周
波数変換器において、 上記局部発振器の出力が供給され、その周波数に対応し
た電圧を発生するＦＶ変換器と、そのＦＶ変換器の出力
と基準制御信号との誤差信号を発生する誤差発生器と、 上記プリセレクタの制御特性の非直線性に対する補正信
号を発生する手段と、 上記基準制御信号と上記誤差信号とを合成して上記局部
発振器に対する制御信号とする第１合成回路と、 上記基準制御信号と上記補正信号とを合成して上記プリ
セレクタに対する制御信号とする第２合成回路とを具備
する周波数変換器。(1) A preselector whose pass frequency band center is controlled by a control signal, a local oscillator whose oscillation frequency is controlled by a control signal, and a frequency mixer to which the output of the local oscillator and the output of the preselector are supplied. A frequency converter comprising: an FV converter to which the output of the local oscillator is supplied and generates a voltage corresponding to the frequency; and an error generator that generates an error signal between the output of the FV converter and a reference control signal. means for generating a correction signal for non-linearity of the control characteristic of the preselector; a first synthesis circuit for synthesizing the reference control signal and the error signal to produce a control signal for the local oscillator; A frequency converter comprising a second synthesis circuit that synthesizes a reference control signal and the correction signal to generate a control signal for the preselector.
器と、その局部発振器の出力と変換されるべき信号とが
供給される周波数混合器と、その周波数混合器の出力が
供給され、制御信号により通過周波数帯域の中心が制御
されるポストセレクタとよりなる周波数変換器において
、 上記局部発振器の出力が供給され、その周波数に対応し
た電圧を発生するＦＶ変換器と、そのＦＶ変換器の出力
と基準制御信号との誤差信号を発生する誤差発生器と、 上記ポストセレクタの制御特性の非直線性に対する補正
信号を発生する手段と、 上記基準制御信号と上記誤差信号とを合成して上記局部
発振器に対する制御信号とする第１合成回路と、 上記基準制御信号と上記補正信号とを合成して上記ポス
トセレクタに対する制御信号とする第２合成回路とを具
備する周波数変換器。(2) a local oscillator whose oscillation frequency is controlled by a control signal; a frequency mixer to which the output of the local oscillator and the signal to be converted are supplied; and a frequency mixer to which the output of the frequency mixer is supplied and which is controlled by the control signal. A frequency converter consisting of a post-selector in which the center of the pass frequency band is controlled, includes an FV converter to which the output of the local oscillator is supplied and generates a voltage corresponding to the frequency, and an output of the FV converter and a reference. an error generator for generating an error signal with respect to the control signal; means for generating a correction signal for non-linearity of the control characteristic of the post selector; A frequency converter comprising: a first synthesis circuit that generates a control signal; and a second synthesis circuit that synthesizes the reference control signal and the correction signal and generates a control signal for the post selector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8102888A JP2704626B2 (en) | 1988-04-01 | 1988-04-01 | Frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8102888A JP2704626B2 (en) | 1988-04-01 | 1988-04-01 | Frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01253658A true JPH01253658A (en) | 1989-10-09 |
| JP2704626B2 JP2704626B2 (en) | 1998-01-26 |
Family
ID=13735019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8102888A Expired - Fee Related JP2704626B2 (en) | 1988-04-01 | 1988-04-01 | Frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2704626B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996023232A1 (en) * | 1995-01-27 | 1996-08-01 | Advantest Corporation | Spectrum analyzer |
-
1988
- 1988-04-01 JP JP8102888A patent/JP2704626B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996023232A1 (en) * | 1995-01-27 | 1996-08-01 | Advantest Corporation | Spectrum analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2704626B2 (en) | 1998-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |