A laser diode driver output stage for driving an associated laser diode device.
The laser diode driver output stage includes a driver circuit adapted to receive
an input data signal at an input node and provide an output signal to a positive
output node and a negative output node in response to the data signal. The laser
diode driver output stage further includes a transformer having a positive terminal
of a first side coupled to the positive output node of the driver circuit, a negative
terminal of the first side coupled to the negative output node, a positive terminal
of a second side coupled to the positive output node, and negative terminal of
the second side coupled to a bias current generator. The transformer functions
to isolate the bias current from fluctuations in the output signal, whereby the
output signal and bias current are provided to the associated laser diode device.