CA1123130A - Circuit optocouple compense a longueur de boucle variable - Google Patents

Circuit optocouple compense a longueur de boucle variable

Info

Publication number
CA1123130A
CA1123130A CA324,880A CA324880A CA1123130A CA 1123130 A CA1123130 A CA 1123130A CA 324880 A CA324880 A CA 324880A CA 1123130 A CA1123130 A CA 1123130A
Authority
CA
Canada
Prior art keywords
signal
output
voltage
input
barrier
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.)
Expired
Application number
CA324,880A
Other languages
English (en)
Inventor
Alexander Feiner
Chao Kai Liu
Sigurd G. Waaben
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1123130A publication Critical patent/CA1123130A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
CA324,880A 1978-04-05 1979-04-04 Circuit optocouple compense a longueur de boucle variable Expired CA1123130A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89379478A 1978-04-05 1978-04-05
US893,794 1978-04-05

Publications (1)

Publication Number Publication Date
CA1123130A true CA1123130A (fr) 1982-05-04

Family

ID=25402104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA324,880A Expired CA1123130A (fr) 1978-04-05 1979-04-04 Circuit optocouple compense a longueur de boucle variable

Country Status (1)

Country Link
CA (1) CA1123130A (fr)

Similar Documents

Publication Publication Date Title
US5550512A (en) Method for offset voltage trim for automatic gain controls
US5490055A (en) Multiloop feedback control apparatus for DC/DC converters with frequency-shaping band pass current control
US4277655A (en) Automatic gain repeater
US4124825A (en) Signal level stabilizer
US4315106A (en) Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
US4228323A (en) Variable loop length compensated barrier circuit
PL125418B1 (en) Microprocessor controlled telephone transmission system
USRE35901E (en) Solid state isolation device using opto-isolators
US4190747A (en) Signal corrected optocoupled device
AU727568B2 (en) Ratiometric compensated optical isolation coupler
US3965447A (en) Synthetic reactor circuit
JPH03273704A (ja) 増幅器
CA1137180A (fr) Circuit de suppression automatique de la distorsion d'un signal
US4011410A (en) Communication system interface circuits
US4642453A (en) Apparatus for increasing the dynamic range in an integrating optoelectric receiver
US4502015A (en) Diode detector with linearity compensating circuit
US4856058A (en) Office line interface circuits
US4811391A (en) Telephone set comprising a line voltage stabilizer having a DC supply point
US4769615A (en) Power supply and signal amplifier and method of operation
US4685130A (en) Subscriber line circuit having an improved loop current supply circuit
US3499169A (en) Variable frequency ac regulator
JPH01144359A (ja) スイッチング電源回路
SU1272323A1 (ru) Широкодиапазонный стабилизатор напр жени с защитой
SU1442980A1 (ru) Управл емый источник тока
KR20010013386A (fr) Procede concernant un circuit d'interface d'une ligne d'abonne et circuit d'interface d'une ligne d'abonne

Legal Events

Date Code Title Description
MKEX Expiry