IT1176965B - Discharge lamp inverter circuit with base current control - Google Patents

Discharge lamp inverter circuit with base current control

Info

Publication number
IT1176965B
IT1176965B IT23148/84A IT2314884A IT1176965B IT 1176965 B IT1176965 B IT 1176965B IT 23148/84 A IT23148/84 A IT 23148/84A IT 2314884 A IT2314884 A IT 2314884A IT 1176965 B IT1176965 B IT 1176965B
Authority
IT
Italy
Prior art keywords
base current
current control
control
discharge lamp
inverter circuit
Prior art date
Application number
IT23148/84A
Other languages
Italian (it)
Other versions
IT8423148A0 (en
Inventor
Matti Virta
Original Assignee
Helvar Oy
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 Helvar Oy filed Critical Helvar Oy
Priority to IT23148/84A priority Critical patent/IT1176965B/en
Publication of IT8423148A0 publication Critical patent/IT8423148A0/en
Application granted granted Critical
Publication of IT1176965B publication Critical patent/IT1176965B/en

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)

Abstract

The circuit has a control transformer (3) and two transistors (1,2) connected across a DC supply. A load comprises an inductive winding (7) and several capacitors (10,11). The base current control has a transistor connected to a power source via two rectifiers (20,21). One rectifier closes the control while the other prevents current flowing through the conductive transistor. A voltage (U3), induced in the transformer's secondary winding (16) is decreased by the collector-emitter voltage (U1) of the control transistor.
IT23148/84A 1984-10-15 1984-10-15 Discharge lamp inverter circuit with base current control IT1176965B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT23148/84A IT1176965B (en) 1984-10-15 1984-10-15 Discharge lamp inverter circuit with base current control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23148/84A IT1176965B (en) 1984-10-15 1984-10-15 Discharge lamp inverter circuit with base current control

Publications (2)

Publication Number Publication Date
IT8423148A0 IT8423148A0 (en) 1984-10-15
IT1176965B true IT1176965B (en) 1987-08-26

Family

ID=11204292

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23148/84A IT1176965B (en) 1984-10-15 1984-10-15 Discharge lamp inverter circuit with base current control

Country Status (1)

Country Link
IT (1) IT1176965B (en)

Also Published As

Publication number Publication date
IT8423148A0 (en) 1984-10-15

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