JPH036730U - - Google Patents
Info
- Publication number
- JPH036730U JPH036730U JP6620389U JP6620389U JPH036730U JP H036730 U JPH036730 U JP H036730U JP 6620389 U JP6620389 U JP 6620389U JP 6620389 U JP6620389 U JP 6620389U JP H036730 U JPH036730 U JP H036730U
- Authority
- JP
- Japan
- Prior art keywords
- processing device
- discontinuity
- converts
- communication
- signal processing
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input From Keyboards Or The Like (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
Description
第１図はこの考案の実施例であるキーイング回
路を示すブロツク図、第２図ａ，ｂおよびｃは同
実施例における信号のタイムチヤート、第３図は
従来のキーイング回路を示すブロツク図である。
１……電鍵、２……デジタル信号処理装置、３
……ミキサ、４……局部発振器、５，６，７……
ＲＦアンプ、８……タイミング回路。
Fig. 1 is a block diagram showing a keying circuit which is an embodiment of this invention, Fig. 2 a, b and c are signal time charts in the same embodiment, and Fig. 3 is a block diagram showing a conventional keying circuit. . 1... Telephone key, 2... Digital signal processing device, 3
...Mixer, 4...Local oscillator, 5, 6, 7...
RF amplifier, 8...timing circuit.
Claims (1)
信号を通信に使用する周波数に変換して送信する
送信機またはトランシーバにおいて、電鍵の断続
情報をデジタル信号処理装置に与えＣＷ符号を発
生させると共に、上記変換された数端数の増幅部
も電鍵の断続情報からタイミングをずらした信号
で断続させることを特徴とするキーイング回路。 CW generated using a digital signal processing device
In a transmitter or transceiver that converts a signal into a frequency used for communication and transmits it, the information on the discontinuity of the telephone key is given to a digital signal processing device to generate a CW code, and the amplification section of the converted number fraction also converts the discontinuity of the telephone key into a frequency used for communication. A keying circuit characterized by intermittent signals with timing shifted from information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989066203U JPH0615308Y2 (en) | 1989-06-08 | 1989-06-08 | Keying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989066203U JPH0615308Y2 (en) | 1989-06-08 | 1989-06-08 | Keying circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036730U true JPH036730U (en) | 1991-01-23 |
| JPH0615308Y2 JPH0615308Y2 (en) | 1994-04-20 |
Family
ID=31598712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989066203U Expired - Lifetime JPH0615308Y2 (en) | 1989-06-08 | 1989-06-08 | Keying circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615308Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020043429A (en) * | 2018-09-07 | 2020-03-19 | 株式会社東芝 | Modulator and signal transmission system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5873210A (en) * | 1981-10-27 | 1983-05-02 | Nec Corp | Pulsively operated amplifying circuit |
-
1989
- 1989-06-08 JP JP1989066203U patent/JPH0615308Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5873210A (en) * | 1981-10-27 | 1983-05-02 | Nec Corp | Pulsively operated amplifying circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020043429A (en) * | 2018-09-07 | 2020-03-19 | 株式会社東芝 | Modulator and signal transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615308Y2 (en) | 1994-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |