JPS60109306A - 周波数比較回路 - Google Patents
周波数比較回路Info
- Publication number
- JPS60109306A JPS60109306A JP21672183A JP21672183A JPS60109306A JP S60109306 A JPS60109306 A JP S60109306A JP 21672183 A JP21672183 A JP 21672183A JP 21672183 A JP21672183 A JP 21672183A JP S60109306 A JPS60109306 A JP S60109306A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- value
- positive
- voltage
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 32
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 2
- 230000010355 oscillation Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
- H03K4/023—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform by repetitive charge or discharge of a capacitor, analogue generators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0231—Astable circuits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Filters That Use Time-Delay Elements (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21672183A JPS60109306A (ja) | 1983-11-17 | 1983-11-17 | 周波数比較回路 |
DE8484113778T DE3474597D1 (en) | 1983-11-17 | 1984-11-14 | Frequency comparing circuit |
DE8787117485T DE3486061T2 (de) | 1983-11-17 | 1984-11-14 | Oszillator-schaltung. |
EP84113778A EP0142171B1 (en) | 1983-11-17 | 1984-11-14 | Frequency comparing circuit |
EP87117485A EP0308540B1 (en) | 1983-11-17 | 1984-11-14 | Oscillator circuit |
US06/672,478 US4599580A (en) | 1983-11-17 | 1984-11-16 | Circuit for comparing two or more frequencies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21672183A JPS60109306A (ja) | 1983-11-17 | 1983-11-17 | 周波数比較回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60109306A true JPS60109306A (ja) | 1985-06-14 |
JPH0122768B2 JPH0122768B2 (enrdf_load_stackoverflow) | 1989-04-27 |
Family
ID=16692877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21672183A Granted JPS60109306A (ja) | 1983-11-17 | 1983-11-17 | 周波数比較回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60109306A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01251808A (ja) * | 1988-03-30 | 1989-10-06 | Nec Corp | 周波数弁別回路 |
-
1983
- 1983-11-17 JP JP21672183A patent/JPS60109306A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01251808A (ja) * | 1988-03-30 | 1989-10-06 | Nec Corp | 周波数弁別回路 |
Also Published As
Publication number | Publication date |
---|---|
JPH0122768B2 (enrdf_load_stackoverflow) | 1989-04-27 |
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