JPS54146567A - Frequency-voltage converter circuit - Google Patents
Frequency-voltage converter circuitInfo
- Publication number
- JPS54146567A JPS54146567A JP5464978A JP5464978A JPS54146567A JP S54146567 A JPS54146567 A JP S54146567A JP 5464978 A JP5464978 A JP 5464978A JP 5464978 A JP5464978 A JP 5464978A JP S54146567 A JPS54146567 A JP S54146567A
- Authority
- JP
- Japan
- Prior art keywords
- period
- signal
- voltage
- disturbance
- detected
- 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
Landscapes
- Electrophonic Musical Instruments (AREA)
Abstract
PURPOSE: To obtain the high acoustic voltage featuring a high accuracy and stability by providing the means to detect the period disturbance of the input signal and then inhibiting the take-in holding action of the conversion voltage in case the period disturbance is detected.
CONSTITUTION: Basic wave-rectangular wave converter circuit 12 generates rectangular wave signal (f) featuring a period corresponding to the period of the basic wave plus signal (g) obtained by giving 1/2-division to signal f with chord vibration signal (a) used as the input, and then supplies these signals to f/V converter circuit 14. Circuit 14 generates at voltage generation part 14A period correspondence voltage (i) fuaturing the amplidude corresponding to the period of signal (g) via input signals (f) and (g), and then supplies the signal to voltage memory part 14B. On the other hand, the system including integrating part 14C, comparison part 14D and control part 14E generates control signal (q) indicating that some disturbance is detected in the period of signal (g). In case no disturbance is detected in the period of(g), gate G3 is opened; while G3 is closed when the disturbance is detected respectively. Thus, output 14S of circuit 14 contains the voltage corresponding to the period disturbance, and accordingly the voltage output corresponding to the basic wave period can be obtained. And the miscontrol can be prevented for the vairable frequency oscillator which is controlled by output 14S.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53054649A JPS6016638B2 (en) | 1978-05-09 | 1978-05-09 | Frequency-voltage conversion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53054649A JPS6016638B2 (en) | 1978-05-09 | 1978-05-09 | Frequency-voltage conversion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54146567A true JPS54146567A (en) | 1979-11-15 |
JPS6016638B2 JPS6016638B2 (en) | 1985-04-26 |
Family
ID=12976618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53054649A Expired JPS6016638B2 (en) | 1978-05-09 | 1978-05-09 | Frequency-voltage conversion circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6016638B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5774499U (en) * | 1980-10-27 | 1982-05-08 | ||
JPS5774498U (en) * | 1980-10-24 | 1982-05-08 | ||
JPS5988796A (en) * | 1982-11-15 | 1984-05-22 | パイオニア株式会社 | Signal generator |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62127047U (en) * | 1986-02-04 | 1987-08-12 |
-
1978
- 1978-05-09 JP JP53054649A patent/JPS6016638B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5774498U (en) * | 1980-10-24 | 1982-05-08 | ||
JPS5774499U (en) * | 1980-10-27 | 1982-05-08 | ||
JPS5988796A (en) * | 1982-11-15 | 1984-05-22 | パイオニア株式会社 | Signal generator |
Also Published As
Publication number | Publication date |
---|---|
JPS6016638B2 (en) | 1985-04-26 |
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