A differential transimpedance amplifier circuit comprising: a first operational amplifier having a first inverting input, a first non-inverting input, a first inverting output and a first non-inverting output; a second operational amplifier having a second inverting input, a second non-inverting input, a second inverting output and a second non-inverting output, wherein said second inverting output is connected to the first non-inverting input and the second non-inverting output is connected to the first inverting input; a third operational amplifier having a third inverting input, a third non-inverting input, a third inverting output and a third non-inverting output, wherein the second inverting input is connected to the third non-inverting output and the second non-inverting input is connected to the third inverting output; a fourth operational amplifier having a fourth inverting input, a fourth non-inverting input, a fourth inverting output and a fourth non-inverting output, wherein the fourth inverting output is connected to the third non-inverting input and the fourth non-inverting output is connected to the third inverting input; a first feedback element that is connected to the second non-inverting input and the second inverting output; a second feedback element that is connected to the second inverting input and the second non-inverting output; a third feedback element that is connected to the third non-inverting input and the first inverting output; a fourth feedback element that is connected to the third inverting input and the first non-inverting output; a fifth feedback element that is connected to the fourth inverting input and the first inverting output; and a sixth feedback element that is connected to the fourth non-inverting input and the first non-inverting output. a first operational amplifier having a first inverting input, a first non-inverting input, a first inverting output and a first non-inverting output; a second operational amplifier having a second inverting input, a second non-inverting input, a second inverting output and a second non-inverting output, wherein said second inverting output is connected to the first non-inverting input and the second non-inverting output is connected to the first inverting input; a third operational amplifier having a third inverting input, a third non-inverting input, a third inverting output and a third non-inverting output, wherein the second inverting input is connected to the third non-inverting output and the second non-inverting input is connected to the third inverting output; a fourth operational amplifier having a fourth inverting input, a fourth non-inverting input, a fourth inverting output and a fourth non-inverting output, wherein the fourth inverting output is connected to the third non-inverting input and the fourth non-inverting output is connected to the third inverting input; a first feedback element that is connected to the second non-inverting input and the second inverting output; a second feedback element that is connected to the second inverting input and the second non-inverting output; a third feedback element that is connected to the third non-inverting input and the first inverting output; a fourth feedback element that is connected to the third inverting input and the first non-inverting output; a fifth feedback element that is connected to the fourth inverting input and the first inverting output; and a sixth feedback element that is connected to the fourth non-inverting input and the first non-inverting output.