JPS56100516A - Oscillating circuit - Google Patents

Oscillating circuit

Info

Publication number
JPS56100516A
JPS56100516A JP384480A JP384480A JPS56100516A JP S56100516 A JPS56100516 A JP S56100516A JP 384480 A JP384480 A JP 384480A JP 384480 A JP384480 A JP 384480A JP S56100516 A JPS56100516 A JP S56100516A
Authority
JP
Japan
Prior art keywords
output
level
becomes
type
timing capacitor
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
Application number
JP384480A
Other languages
Japanese (ja)
Other versions
JPH0239132B2 (en
Inventor
Kenichi Yoda
Hideo Togawa
Eizo Ogawa
Masao Kayahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd, Matsushita Electric Works Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP384480A priority Critical patent/JPS56100516A/en
Publication of JPS56100516A publication Critical patent/JPS56100516A/en
Publication of JPH0239132B2 publication Critical patent/JPH0239132B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Abstract

PURPOSE:To make the circuit small-size, by connecting the reference voltage and a timing capacitor to inputs of two differential circuits using C-MOS elements and by applying respective outputs to the R-S type FF and by applying the output to the timing capacitor. CONSTITUTION:At the power supply time, the output of the second differential circuit 2 using the C-MOS element becomes H-level, and R-S type FF6 becomes H-level. Therefore, charging of timing capacitor CT is started through resistance RT; and when the charging voltage exceeds Vb, the output of the second differential circuit 2 becomes L-level. Then, when the charging voltage exceeds Va, the output of the first differential circuit 1 becomes H-level, and R-S type FF6 becomes L-level. Consequently, electric charge of timing capacitor CT is discharged through resistance RT, and the output of the first differential circuit 1 becomes L-level, and then, the output of the second differential 2 becomes H-level to make the output of R-S type FF6 H-level. Thereafter, these operations are repeated to obtain the oscillation output from output terminal out.
JP384480A 1980-01-17 1980-01-17 Oscillating circuit Granted JPS56100516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP384480A JPS56100516A (en) 1980-01-17 1980-01-17 Oscillating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP384480A JPS56100516A (en) 1980-01-17 1980-01-17 Oscillating circuit

Publications (2)

Publication Number Publication Date
JPS56100516A true JPS56100516A (en) 1981-08-12
JPH0239132B2 JPH0239132B2 (en) 1990-09-04

Family

ID=11568486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP384480A Granted JPS56100516A (en) 1980-01-17 1980-01-17 Oscillating circuit

Country Status (1)

Country Link
JP (1) JPS56100516A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054220A (en) * 2006-08-28 2008-03-06 Rohm Co Ltd Pulse generator, electronic device using the same and pulse generating method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492505A (en) * 1972-04-18 1974-01-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492505A (en) * 1972-04-18 1974-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054220A (en) * 2006-08-28 2008-03-06 Rohm Co Ltd Pulse generator, electronic device using the same and pulse generating method

Also Published As

Publication number Publication date
JPH0239132B2 (en) 1990-09-04

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