公开(公告)号：JPH07142969A

公开(公告)日：1995-06-02

申请号：JP9528794

申请日：1994-05-09

Applicant: ST MICROELECTRONICS SRL

Inventor： ROSSI DOMENICO ,  TATEOKA MASAYUKI

IPC: G01R19/165 ,  H03K3/0233 ,  H03K5/08

Abstract: PURPOSE: To overcome defects of a conventional technology and to extend a dynamic range of a common mode input voltage. CONSTITUTION: A couple of variable current sources A1 , A2 and A3 , A4 are provided respectively in a 1st differential cell 2 consisting of a couple of npn bipolar transistors TRs T1 , T2 and a 2nd differential cell 5 consisting of a couple of pnp bipolar TRs T8 , T9 .

公开(公告)号：DE69320326D1

公开(公告)日：1998-09-17

申请号：DE69320326

申请日：1993-05-07

Applicant: ST MICROELECTRONICS SRL

Inventor： ROSSI DOMENICO ,  TATEOKA MASAYUKI

IPC: G01R19/165 ,  H03K3/0233 ,  H03K5/08 ,  H03K3/023 ,  H03K5/24