Differential output amplifier arrangement

Differential output amplifier arrangement (DOA) comprising:

• a first arrangement input terminal (IN1) and a second arrangement input terminal (IN2) for respectively coupling to a first terminal and a second terminal of an input signal source (Vs);
• a first arrangement output terminal (ZOUT1) and a second arrangement output terminal (ZOUT2) for delivering a differential output voltage, said differential output;
• a first operational amplifier (OA1) having a first amplifier input terminal (INP1) of a first polarity type (+), and a second amplifier input terminal (INN1) of a second polarity type (−) opposite of said first polarity type (+), and an amplifier output terminal (OUT1) coupled to said first arrangement output terminal (ZOUT1) via a first resistor (R1) and coupled to said second amplifier input terminal (INN1) of said first operational amplifier (OA1) via a second resistor (R2);
• a second operational amplifier (OA2), having a first input terminal (INP2) of said first polarity type (+), and a second amplifier input terminal (INN2) of said second polarity type (−), and an amplifier output terminal (OUT2) coupled to said second arrangement output terminal (ZOUT2) via third resistor (R3) and coupled to said second amplifier input terminal (INN2) of said second operational amplifier (OA2) via a fourth resistor (R4);
• a fifth resistor (R5) coupling said first arrangement output terminal (ZOUT1) to said second amplifier input terminal (INN2) of said second operational amplifier (OA2), and a sixth resistor (R6) coupling said second arrangement output terminal (ZOUT2) to said second amplifier input terminal (INN1) of said first operational amplifier (OA1),
• CHARACTERISED IN THAT said first amplifier input terminal (INP1) of said first operational amplifier (OA1) is coupled to a ground and said first amplifier input terminal (INP2) of said second operational amplifier is coupled to said ground, and in that said differential output amplifier arrangement (DOA) further comprises:
• a seventh resistor (R7) coupling said first arrangement input terminal (IN1) to said second amplifier input terminal (INN1) of said first operational amplifier (OA1), and an eight resistor (R8) coupling said second arrangement input terminal (IN2) to said second amplifier input terminal (INN2) of said second operational amplifier (OA2).