JPS57141122A - Voltage sweeping circuit and its driving method - Google Patents
Voltage sweeping circuit and its driving methodInfo
- Publication number
- JPS57141122A JPS57141122A JP2650981A JP2650981A JPS57141122A JP S57141122 A JPS57141122 A JP S57141122A JP 2650981 A JP2650981 A JP 2650981A JP 2650981 A JP2650981 A JP 2650981A JP S57141122 A JPS57141122 A JP S57141122A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- stop signal
- sweep
- generating 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
- H03K4/56—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using a semiconductor device with negative feedback through a capacitor, e.g. Miller integrator
Landscapes
- Details Of Television Scanning (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
PURPOSE:To obtain a simple voltage sweeping circuit by adding an initial value setting circuit and an operation stopping means to an analog integrator. CONSTITUTION:A sweep voltage generating circuit 1 is composed of a Miller integrator, and for the initialization of the terminal voltage of a capacitor 12, an initializing voltage application terminal 5 and reset switches 17 and 18 are provided. With an operation switch 16 closed, the circuit 1 generates a sweep voltage V0 at the output terminal 6 of an amplifier 11. A stop signal generating circuit 2 compares the voltage V0 with a sweep ending voltage VF and, when the both are coincident, generates a stop signal. The stop signal is supplied to the D-FF31 of a sweeping signal generating circuit 3 to reset the D-FF31, thereby opening the switch 16.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2650981A JPS57141122A (en) | 1981-02-25 | 1981-02-25 | Voltage sweeping circuit and its driving method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2650981A JPS57141122A (en) | 1981-02-25 | 1981-02-25 | Voltage sweeping circuit and its driving method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57141122A true JPS57141122A (en) | 1982-09-01 |
Family
ID=12195442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2650981A Pending JPS57141122A (en) | 1981-02-25 | 1981-02-25 | Voltage sweeping circuit and its driving method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57141122A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025160A (en) * | 1973-06-01 | 1975-03-17 | ||
JPS5468268A (en) * | 1977-11-10 | 1979-06-01 | Yokogawa Hokushin Electric Corp | X-y recorder |
-
1981
- 1981-02-25 JP JP2650981A patent/JPS57141122A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025160A (en) * | 1973-06-01 | 1975-03-17 | ||
JPS5468268A (en) * | 1977-11-10 | 1979-06-01 | Yokogawa Hokushin Electric Corp | X-y recorder |
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