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公开(公告)号：FR2832519B1
公开(公告)日：2004-02-20
申请号：FR0114926
申请日：2001-11-19
Applicant: ST MICROELECTRONICS SA
Inventor： VAN ZANTEN FRANCOIS , SABUT MARC , RIBAS RAYMOND
Abstract: A mirroring circuit operating at high frequencies is provided. The mirroring circuit includes a first branch having a first transistor in series with a first resistor, a second branch having a second transistor in series with a second resistor, and a servo circuit for controlling current flowing in the first branch and the second branch. The servo circuit includes a third transistor configured as a diode, a source of the third transistor coupled to a source of the first transistor, a fourth transistor configured as a shift lever, a source of the fourth transistor coupled to ground via a third resistor, a fifth transistor configured as a diode, a source of the fifth transistor coupled to a source of the second transistor, and a sixth transistor configured as a shift lever, a source of the sixth transistor coupled to ground via the third resistor.
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公开(公告)号：FR2832579A1
公开(公告)日：2003-05-23
申请号：FR0114921
申请日：2001-11-19
Applicant: ST MICROELECTRONICS SA
Inventor： VAN ZANTEN FRANCOIS , SABUT MARC , RIBAS RAYMOND
Abstract: A video input stage calibration circuit has a differential output stage with variable gain (206) and inverter (106) operational amplifiers creating out of phase voltages about the common level as input to the analogue to digital converter (207) and digital control (260). Includes an Independent claim for the use of Miller gain stages in CMOS (Complementary Metal Oxide Silicon) and PMOS (P Metal Oxide Silicon) technology in the differential converter.
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公开(公告)号：FR2832519A1
公开(公告)日：2003-05-23
申请号：FR0114926
申请日：2001-11-19
Applicant: ST MICROELECTRONICS SA
Inventor： VAN ZANTEN FRANCOIS , SABUT MARC , RIBAS RAYMOND
Abstract: A mirroring circuit operating at high frequencies is provided. The mirroring circuit includes a first branch having a first transistor in series with a first resistor, a second branch having a second transistor in series with a second resistor, and a servo circuit for controlling current flowing in the first branch and the second branch. The servo circuit includes a third transistor configured as a diode, a source of the third transistor coupled to a source of the first transistor, a fourth transistor configured as a shift lever, a source of the fourth transistor coupled to ground via a third resistor, a fifth transistor configured as a diode, a source of the fifth transistor coupled to a source of the second transistor, and a sixth transistor configured as a shift lever, a source of the sixth transistor coupled to ground via the third resistor.
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