JPS5444461A - Generation circuit of multi-pulse - Google Patents
Generation circuit of multi-pulseInfo
- Publication number
- JPS5444461A JPS5444461A JP11141577A JP11141577A JPS5444461A JP S5444461 A JPS5444461 A JP S5444461A JP 11141577 A JP11141577 A JP 11141577A JP 11141577 A JP11141577 A JP 11141577A JP S5444461 A JPS5444461 A JP S5444461A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- load
- amplitude
- fed
- terminal
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
Abstract
PURPOSE:To obtain the multi value pulse generating circuit having excellent per- formance, by providing the current selection type switching circuit through the connection of emitters of three transistors Tr commonly and by connecting the col- lectors of two Tr with the both ends of the transformer. CONSTITUTION:When no input pulse is present at the input terminals 11, 12, 21 and 22, the threshold value voltage to the terminals 13 and 23 is set so that TrQ13 and Q23 of the switching circuits 2S1 and 2S2 are respectively turned on, and no output is obtained at the load 6 with the current 2Io flowing. When the input pulse a11 is fed to the terminal 11, current b11 is flown in TrQ11 and current b23 is flown to TrQ23, causing the pulse of amplitude E to the load 6. If the pulse a12 fed only to the terminal 12, the pulse of amplitude 2E is developed to the load 6, and if the pulse a21 if fed to the terminal 21, the pulse having the amplitude -E is developed at the load 6, and further, if the pulse a22 is fed to the terminal 22, the pulse having the amplitude -2E is developed at the load 6. Thus, the pulse of five values of + or -2E, + or -E, O can be produced at the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11141577A JPS5444461A (en) | 1977-09-14 | 1977-09-14 | Generation circuit of multi-pulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11141577A JPS5444461A (en) | 1977-09-14 | 1977-09-14 | Generation circuit of multi-pulse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5444461A true JPS5444461A (en) | 1979-04-07 |
Family
ID=14560581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11141577A Pending JPS5444461A (en) | 1977-09-14 | 1977-09-14 | Generation circuit of multi-pulse |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5444461A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145944A (en) * | 1983-02-09 | 1984-08-21 | Hitachi Ltd | Horizontal type plate composite exciting force device |
| US4606046A (en) * | 1983-12-27 | 1986-08-12 | At&T Bell Laboratories | Converter/line driver circuit for a line repeater |
| JPH0287038A (en) * | 1988-09-22 | 1990-03-27 | I M V Kk | Vibration generator |
-
1977
- 1977-09-14 JP JP11141577A patent/JPS5444461A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145944A (en) * | 1983-02-09 | 1984-08-21 | Hitachi Ltd | Horizontal type plate composite exciting force device |
| US4606046A (en) * | 1983-12-27 | 1986-08-12 | At&T Bell Laboratories | Converter/line driver circuit for a line repeater |
| JPH0287038A (en) * | 1988-09-22 | 1990-03-27 | I M V Kk | Vibration generator |
| JPH0575973B2 (en) * | 1988-09-22 | 1993-10-21 | Imv Kk |
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