JPH036353U - - Google Patents
Info
- Publication number
- JPH036353U JPH036353U JP6624289U JP6624289U JPH036353U JP H036353 U JPH036353 U JP H036353U JP 6624289 U JP6624289 U JP 6624289U JP 6624289 U JP6624289 U JP 6624289U JP H036353 U JPH036353 U JP H036353U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- binary
- output
- decoder
- quaternary
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
第１図はこの考案の一実施例の構成を示すブロ
ツク図。
１および２……２進−４進デコーダ、３および
４……オアゲート、５……プログラマブル分周器
、６……分周器、７……バツフア増幅器、１１…
…キーイングスイツチ、１２……シフトスイツチ
、１３および１４……スイツチ。
FIG. 1 is a block diagram showing the configuration of an embodiment of this invention. 1 and 2... binary-quaternary decoder, 3 and 4... OR gate, 5... programmable frequency divider, 6... frequency divider, 7... buffer amplifier, 11...
...Keying switch, 12...Shift switch, 13 and 14...Switch.
Claims (1)
とを選択的に発振する発振手段と、キーイングス
イツチの出力およびシフト指示スイツチの出力を
入力とする第１の２進−４進デコーダと、２進デ
コーダを設定するデータ設定スイツチの出力を入
力とする第２の２進−４進デコーダと、キーイン
グスイツチまたはシフト指示スイツチの一方がオ
ン状態のときに第２の２進−４進デコーダをイネ
ーブルする第１制御手段と、キーイングスイツチ
とシフト指示スイツチが共にオン状態のときおよ
び共にオフ状態のときの第１の２進−４進デコー
ダからの出力を受けて発振手段をマーク周波数発
振に制御し、かつデータ設定スイツチによる設定
データに対応して出力される第２の２進−４進デ
コーダからの出力を受けて発振手段をスペース周
波数発振に制御する第２制御手段とを備えたこと
を特徴とするＦＳＫシフト幅・シフト方向の設定
回路。 An oscillation means that selectively oscillates a mark frequency output and a plurality of space frequency outputs, a first binary-quaternary decoder whose inputs are the output of the keying switch and the output of the shift instruction switch, and a binary decoder are set. a second binary-quaternary decoder whose input is the output of a data setting switch; and a first control that enables the second binary-quaternary decoder when either the keying switch or the shift instruction switch is in an on state. controlling the oscillation means to oscillate at the mark frequency in response to the output from the first binary-quaternary decoder when both the keying switch and the shift instruction switch are in the on state and when both are in the off state; and data setting. an FSK shift characterized by comprising: a second control means for controlling the oscillation means to oscillate at a space frequency in response to an output from a second binary-quaternary decoder outputted in accordance with setting data from the switch; Width/shift direction setting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6624289U JPH0638517Y2 (en) | 1989-06-08 | 1989-06-08 | FSK shift width / shift direction setting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6624289U JPH0638517Y2 (en) | 1989-06-08 | 1989-06-08 | FSK shift width / shift direction setting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036353U true JPH036353U (en) | 1991-01-22 |
| JPH0638517Y2 JPH0638517Y2 (en) | 1994-10-05 |
Family
ID=31598786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6624289U Expired - Lifetime JPH0638517Y2 (en) | 1989-06-08 | 1989-06-08 | FSK shift width / shift direction setting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638517Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5175659U (en) * | 1974-12-11 | 1976-06-14 |
-
1989
- 1989-06-08 JP JP6624289U patent/JPH0638517Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5175659U (en) * | 1974-12-11 | 1976-06-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638517Y2 (en) | 1994-10-05 |
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