JPS647450U - - Google Patents
Info
- Publication number
- JPS647450U JPS647450U JP10109787U JP10109787U JPS647450U JP S647450 U JPS647450 U JP S647450U JP 10109787 U JP10109787 U JP 10109787U JP 10109787 U JP10109787 U JP 10109787U JP S647450 U JPS647450 U JP S647450U
- Authority
- JP
- Japan
- Prior art keywords
- transistor amplifier
- generates
- effect transistor
- transmission
- generator
- 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
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000005669 field effect Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
第１図はこの考案の一実施例を示す図、第２図
は第１図各部の信号波形を表わす図、第３図は従
来の半導体送信装置を表わす図、第４図は第３図
各部の信号波形を表わす図である。
図において１はタイミング発生器、２は送信タ
イミング信号、３は送信源信号発生器、４は送信
源信号、５は電界効果型トランジスタ増幅器、６
は送信信号、７はドレイン電圧発生器、８はゲー
ト電圧発生器、９はゲート電圧、１０は鋸歯状電
圧発生器、１１は鋸歯状電圧、１２は重畳器、１
３は傾斜状ゲート電圧である。なお、各図中同一
符号は同一または相当部分を示す。
Fig. 1 is a diagram showing an embodiment of this invention, Fig. 2 is a diagram showing signal waveforms of each part in Fig. 1, Fig. 3 is a diagram showing a conventional semiconductor transmitter, and Fig. 4 is a diagram showing each part in Fig. 3. FIG. In the figure, 1 is a timing generator, 2 is a transmission timing signal, 3 is a transmission source signal generator, 4 is a transmission source signal, 5 is a field effect transistor amplifier, 6
is a transmission signal, 7 is a drain voltage generator, 8 is a gate voltage generator, 9 is a gate voltage, 10 is a sawtooth voltage generator, 11 is a sawtooth voltage, 12 is a superimposed device, 1
3 is a ramped gate voltage. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
、この送信タイミングにより送信源信号を発生す
る送信源信号発生器と、この送信源信号を必要な
送信電力まで増幅する電界効果型トランジスタ増
幅器と、この電界効果型トランジスタ増幅器に電
源を供給するドレイン電圧発生器と、上記送信タ
イミングにより上記電界効果型トランジスタ増幅
器に必要な一定の負電圧であるゲート電圧を発生
するゲート電圧発生器と、上記送信タイミングに
より鋸歯状電圧を発生する鋸歯状電圧発生器と、
この鋸歯状電圧と上記ゲート電圧を重畳すると同
時に上記電界効果型トランジスタ増幅器に供給す
る重畳器で構成されたことを特徴とする半導体送
信装置。 A timing generator that generates transmission timing, a transmission source signal generator that generates a transmission source signal based on this transmission timing, a field-effect transistor amplifier that amplifies this transmission source signal to the required transmission power, and this field-effect transistor amplifier that amplifies this transmission source signal to the required transmission power. a drain voltage generator that supplies power to the transistor amplifier; a gate voltage generator that generates a gate voltage that is a constant negative voltage necessary for the field effect transistor amplifier according to the transmission timing; and a gate voltage generator that generates a sawtooth voltage according to the transmission timing. a sawtooth voltage generator that generates
A semiconductor transmitter comprising a superimposer that superimposes the sawtooth voltage and the gate voltage and simultaneously supplies the field effect transistor amplifier to the field effect transistor amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10109787U JPS647450U (en) | 1987-07-01 | 1987-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10109787U JPS647450U (en) | 1987-07-01 | 1987-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647450U true JPS647450U (en) | 1989-01-17 |
Family
ID=31329775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10109787U Pending JPS647450U (en) | 1987-07-01 | 1987-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7863805B2 (en) | 2005-06-17 | 2011-01-04 | Sumitomo Electric Industries, Ltd. | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device |
-
1987
- 1987-07-01 JP JP10109787U patent/JPS647450U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7863805B2 (en) | 2005-06-17 | 2011-01-04 | Sumitomo Electric Industries, Ltd. | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device |
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