JPH03111040U - - Google Patents
Info
- Publication number
- JPH03111040U JPH03111040U JP1925690U JP1925690U JPH03111040U JP H03111040 U JPH03111040 U JP H03111040U JP 1925690 U JP1925690 U JP 1925690U JP 1925690 U JP1925690 U JP 1925690U JP H03111040 U JPH03111040 U JP H03111040U
- Authority
- JP
- Japan
- Prior art keywords
- reference voltage
- modulation
- variable resistor
- operational amplifier
- generation circuit
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1925690U JPH073704Y2 (ja) | 1990-02-27 | 1990-02-27 | 変調回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1925690U JPH073704Y2 (ja) | 1990-02-27 | 1990-02-27 | 変調回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03111040U true JPH03111040U (forum.php) | 1991-11-14 |
| JPH073704Y2 JPH073704Y2 (ja) | 1995-01-30 |
Family
ID=31522386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1925690U Expired - Lifetime JPH073704Y2 (ja) | 1990-02-27 | 1990-02-27 | 変調回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073704Y2 (forum.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0647015A3 (en) * | 1993-09-28 | 1995-12-27 | Plessey Semiconductors Ltd | Modulators. |
| JP2006238402A (ja) * | 2005-01-27 | 2006-09-07 | Saxa Inc | Fsk変調装置及びそれを備えた無線通信装置 |
-
1990
- 1990-02-27 JP JP1925690U patent/JPH073704Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0647015A3 (en) * | 1993-09-28 | 1995-12-27 | Plessey Semiconductors Ltd | Modulators. |
| JP2006238402A (ja) * | 2005-01-27 | 2006-09-07 | Saxa Inc | Fsk変調装置及びそれを備えた無線通信装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073704Y2 (ja) | 1995-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2847573B2 (ja) | 電圧制御発振器 | |
| US5564100A (en) | Frequency modulator having a modulation varactor coupled to output of a VCO | |
| JPH03111040U (forum.php) | ||
| US5847622A (en) | Quadrature phase shift keying modulating apparatus | |
| TW437153B (en) | Communications device | |
| US7764139B1 (en) | Polar modulation with extended AM | |
| RU2008110047A (ru) | Модулятор с двумя портами | |
| JPH07508386A (ja) | 同期追跡am受信機 | |
| JP3365965B2 (ja) | Fm変調回路 | |
| JPH0583032A (ja) | 水晶発振回路 | |
| JPS6082847U (ja) | シンセサイザ無線機 | |
| JPS61200723A (ja) | 同時送受信通信機における角度変調送信波の作成回路 | |
| JPH0323727Y2 (forum.php) | ||
| JPH0232647A (ja) | ディジタル信号の周波数変調装置 | |
| JP2555792Y2 (ja) | 変調信号発生回路 | |
| JPH10233622A (ja) | 能動回路および発振回路 | |
| JPS5822346Y2 (ja) | 位相同期発振器 | |
| JPH0236215U (forum.php) | ||
| JPS61156310U (forum.php) | ||
| JPS5947812A (ja) | 角度変調器 | |
| JPS63193724A (ja) | 無線送信機 | |
| JPH0362605A (ja) | 周波数変調回路 | |
| JPH01264403A (ja) | 変調器 | |
| JPS58123632U (ja) | Pll回路を用いた送信機 | |
| JPS58191736U (ja) | 位相同期ル−プ回路 |