PREAMPLIFIER POLARISATION DEVICE

• US 20130257541A1
• Filed: 04/03/2013
• Published: 10/03/2013
• Est. Priority Date: 04/03/2012
• Status: Active Grant

• Current Assignee: Commissariat a L'Energie Atomique (French Alternative Energies and Atomic Energy Commission)
• Original Assignee: French Alternative Energies and Atomic Energy Commission
• Inventors: Lugiez, Francis
• Granted Patent: US 9,124,223 B2
• Time in Patent Office: Days
• US Class Current: 330/295
• CPC Class Codes: H03F 1/0205 in transistor amplifiers
• CPC Class Codes: H03F 3/211 using a combination of several amplifiers H03F3/60 takes precedence
• CPC Class Codes: H03F 3/68 Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics power amplifiers using a combination of several semiconductor amplifiers H03F3/211; combinations of amplifiers using coupling networks with distributed constants H03F3/602

Abstract

An electronic device for reading at least two acquisition channels, the device including a preamplifier with an inverter for each acquisition channel, and a polarization device shared by at least two of the preamplifiers.

Claims

1. An electronic device for reading at least two acquisition channels, the device comprising a preamplifier with an inverter for each acquisition channel, and a polarization device shared by at least two of the preamplifiers.

2. The device according to claim 1, wherein the polarization device comprises a voltage regulator and a reference inverter, said reference inverter being identical to the inverters of the preamplifiers.

3. The device according to claim 1, wherein the polarization device is connected in parallel with the preamplifiers.

4. The device according to claim 1, wherein the polarization device is shared by at least six preamplifiers.

5. The device according to claim 2, wherein the voltage regulator is connected in series with the assembly comprising the preamplifiers.

6. The device according to claim 1, wherein the inverters are based on CMOS technology.

7. The device according to claim 1, wherein the inverters are produced on the basis of BiCMOS technology.

8. The device according to claim 1, wherein the preamplifiers are power preamps.