JPS59149757U - FSK modulator - Google Patents
FSK modulatorInfo
- Publication number
- JPS59149757U JPS59149757U JP4223883U JP4223883U JPS59149757U JP S59149757 U JPS59149757 U JP S59149757U JP 4223883 U JP4223883 U JP 4223883U JP 4223883 U JP4223883 U JP 4223883U JP S59149757 U JPS59149757 U JP S59149757U
- Authority
- JP
- Japan
- Prior art keywords
- data
- voltage
- output
- control
- generate
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示すブロック図である。
図で、１・・・・・・ＶＣＯ１２・・・・・・基準信号
発振器、３・・・・・・混合器、４・・・・・・マトリ
ックス、５・・・・・・可変分周器、６・・・・・・基
準信号分周器、７・・・・・・位相比較器、８・・・・
・・ＬＰＦ、 ９・−・・・・出力分周器、１０・・・
・・・分周フィルタ、１１・・・・・中−カル分周器、
１２・・・・・・ローカルフィルタ、１３・・・・・・
混合器、１４・・・・・・出力フィルタ、１５・・・・
・・出力増幅器、１６・・・・・・伝送速度検出器、１
７・・・・・・データ入力、１８・・・・・・オフセッ
トデータ、１９・・・・・・変調器出力、２０・・・・
・・送出データ、２１・・・・・・周波数偏移データ。The drawing is a block diagram showing an embodiment of the present invention. In the figure, 1...VCO12...Reference signal oscillator, 3...Mixer, 4...Matrix, 5...Variable frequency divider 6... Reference signal frequency divider, 7... Phase comparator, 8...
...LPF, 9...Output frequency divider, 10...
... Frequency dividing filter, 11... Medium-cal frequency divider,
12... Local filter, 13...
Mixer, 14... Output filter, 15...
...Output amplifier, 16...Transmission speed detector, 1
7...Data input, 18...Offset data, 19...Modulator output, 20...
...Transmission data, 21... Frequency shift data.
Claims (1)
前記電圧ｉ＋を御発振器の出力を分周比制御データに応
じて可変分周する可変分周器と、前記可変分周器の出力
と基準信号とを位相比較して前記ルｕ御電圧を作る位相
比較器と、送出データとオフセットデータと周波数偏移
データとを受は前記分周比制御データを作り出す手段と
を具備することを特徴とするＦＳＫ変調装置。A voltage controlled oscillator whose oscillation frequency changes depending on the control voltage,
A variable frequency divider that variably divides the output of the voltage i+ from the control oscillator according to division ratio control data, and a phase comparison between the output of the variable frequency divider and a reference signal to generate the control voltage An FSK modulation device comprising: a phase comparator; and means for receiving transmission data, offset data, and frequency shift data to generate the frequency division ratio control data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4223883U JPS59149757U (en) | 1983-03-24 | 1983-03-24 | FSK modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4223883U JPS59149757U (en) | 1983-03-24 | 1983-03-24 | FSK modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59149757U true JPS59149757U (en) | 1984-10-06 |
Family
ID=30172793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4223883U Pending JPS59149757U (en) | 1983-03-24 | 1983-03-24 | FSK modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59149757U (en) |
-
1983
- 1983-03-24 JP JP4223883U patent/JPS59149757U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59149757U (en) | FSK modulator | |
| JPS5929812U (en) | FM modulation circuit | |
| JPS5843044U (en) | frequency synthesizer | |
| JPS60127017U (en) | FM modulated wave deviation width control circuit | |
| JPS5956860U (en) | Duplex synthesizer device | |
| JPS59147348U (en) | portable transceiver | |
| JPH0170450U (en) | ||
| JPS5962575U (en) | moving target radar device | |
| JPS5929813U (en) | Structure of frequency modulation circuit | |
| JPS59104636U (en) | frequency synthesizer | |
| JPS5868711U (en) | Control circuit for variable frequency oscillator | |
| JPS5917654U (en) | superheterodyne receiver | |
| JPS6068742U (en) | automatic frequency control circuit | |
| JPS5811342U (en) | Phase-locked frequency synthesizer | |
| JPS60143499U (en) | signal converter | |
| JPS59129228U (en) | PLL circuit | |
| JPS58155149U (en) | Electronic channel selection device | |
| JPS5984909U (en) | amplitude modulator | |
| JPS583643U (en) | Pulse transmitter | |
| JPS5849285U (en) | timer clock circuit | |
| JPS58125435U (en) | transmitter | |
| JPS6019238U (en) | FM signal generator | |
| JPS60111134U (en) | Multi-channel PLL synthesizer | |
| JPS6022039U (en) | FM transmitter | |
| JPS5811341U (en) | PLL synthesizer circuit |