Circuit arrangement for gaining a direct voltage using full bridge rectifier and coupling capacitors
First Claim
1. A circuit arrangement for gaining an offset-compensated DC output voltage from a DC input voltage, wherein means (1) for generating an alternating voltage from the DC input voltage are provided, and wherein the alternating voltage is applied to at least one rectifier stage (2) which comprises two coupling capacitors (8, 9) and a subsequent full-bridge rectifier (10, 11, 12, 13) at its input, the two coupling capacitors being positioned between the generating means (1) and the subsequent full-bridge rectifier along paths from input terminals (PI, MI) to output terminals (P, M), and is coupled at its output to at least an output capacitance (3) via which the DC output voltage decreases.
1 Assignment
0 Petitions
Accused Products
Abstract
In the circuit arrangement according to the invention, means (1) for generating an alternating voltage from the DC input voltage are provided for gaining an offset-compensated DC output voltage from a DC input voltage, without using transformers and inductances. The alternating voltage is applied to at least one rectifier stage (2) which comprises two coupling capacitors (8, 9) and a subsequent full-bridge rectifier (10, 11, 12, 13) at its input, and is coupled at its output to an output capacitance (3) via which the DC output voltage decreases.
10 Citations
13 Claims
- 1. A circuit arrangement for gaining an offset-compensated DC output voltage from a DC input voltage, wherein means (1) for generating an alternating voltage from the DC input voltage are provided, and wherein the alternating voltage is applied to at least one rectifier stage (2) which comprises two coupling capacitors (8, 9) and a subsequent full-bridge rectifier (10, 11, 12, 13) at its input, the two coupling capacitors being positioned between the generating means (1) and the subsequent full-bridge rectifier along paths from input terminals (PI, MI) to output terminals (P, M), and is coupled at its output to at least an output capacitance (3) via which the DC output voltage decreases.
-
11. A circuit arrangement for gaining an offset-compensated DC output voltage from a DC input voltage, comprising:
-
means (1) for generating an alternating voltage from the DC input voltage;
at least one rectifier stage (2) which comprises two coupling capacitors (8, 9) and a subsequent full-bridge rectifier (10, 11, 12, 13) at its input, and is coupled at its output to at least an output capacitance (3); and
wherein the subsequent full bridge rectifier comprises two diodes (10, 11) including anodes coupled to the two coupling capacitors (8, 9) and cathodes coupled to a first terminal of the output capacitance (3), and two other rectifiers (12, 13) including cathodes coupled to the two coupling capacitors (8, 9) and anodes coupled to a second terminal of the output capacitance (3).
-
-
12. A circuit arrangement for gaining an offset-compensated DC output voltage from a DC input voltage, comprising:
-
a transformerless means (1) for generating an alternating voltage from the DC input voltage; and
at least one rectifier stage (2) which comprises two coupling capacitors (8, 9) and a subsequent full-bridge rectifier (10, 11, 12, 13) at its input, and is coupled at its output to at least an output capacitance (3) via which the DC output voltage decreases. - View Dependent Claims (13)
-
Specification