Optical transceiver module having an active linear optoelectronic device

An optoelectronic transceiver, comprising:

• a control module;
• a persistent memory operably connected to the control module;
• and
• an active linear transmitter optical subassembly, including a header upon which circuitry is mounted, the circuitry including:
• a first input node configured to receive a first data signal;
• a second input node configured to receive a second data signal that is complementary of the first data signal;
• a first bipolar transistor having a base terminal coupled to the first and second input nodes;
• a second bipolar transistor having a base terminal coupled to an emitter terminal of the first bipolar transistor and having an emitter terminal coupled to a signal ground, wherein the signal ground is not coupled to the header;
• an electro-optical transducer having a first terminal configured to be coupled to a voltage source and being coupled to a collector terminal of the first bipolar transistor, the electro-optical transducer having a second terminal coupled to a collector terminal of the second bipolar transistor;
• and
• a decoupling circuit coupled between the voltage source and the signal ground.

In optoelectronic device, comprising:

• a printed circuit board having a laser driver and a post amplifier disposed thereon;
• a receiver optical subassembly operably coupled to the post amplifier;
• and
• an active linear transmitter optical subassembly operably coupled to the laser driver, the transmitter optical subassembly including a header assembly electrically coupled to a chassis ground, the header supporting circuitry, the circuitry including:
• a first input node configured to receive a first data signal;
• a second input node configured to receive a second data signal that is complementary of the first data signal;
• a buffer stage having a first node coupled to the first input node and a second node coupled to the second input node, the buffer stage being configured to receive the first and second data signals from the first and second input nodes and convert the first and second data signals to a single-ended signal;
• an amplifier stage having a first node coupled to a third node of the buffer stage and having a second node coupled to a signal ground, wherein the signal ground is not coupled to the chassis ground, the amplifier stage being configured to receive the single-ended signal from the buffer stage and linearly amplify the single-ended signal to produce an amplified single-ended signal;
• and
• an electro-optical transducer having a first node coupled to a third node of the amplifier stage and having a second node coupled to a voltage source, the second node of the electro-optical transducer also being coupled to a fourth node of the buffer stage, wherein the electro-optical transducer is driven by the amplified single-ended signal to emit an optical signal representative of the amplified single-ended signal.