Low power injection locked oscillators for MICS standard

Subthreshold Frequency Synthesis For Implantable Medical Devices

“…By virtue of requiring half the bias current, the implementation proposed in [27] consumes less power than those oscillators presented previously (230 µW from 1.5 V supply) but it lacks differential signals which are crucial for common mode noise rejection. This idea was extended by the authors of [28], who proposed an injection-locked single-ended cross-coupled oscillator. The design demonstrates very good phase noise performance, but at the expense of high power consumption (1.2 mW from a 1.2 V power supply).…”

Subthreshold Frequency Synthesis For Implantable Medical Devices

“…By virtue of requiring half the bias current, the implementation proposed in [27] consumes less power than those oscillators presented previously (230 µW from 1.5 V supply) but it lacks differential signals which are crucial for common mode noise rejection. This idea was extended by the authors of [28], who proposed an injection-locked single-ended cross-coupled oscillator. The design demonstrates very good phase noise performance, but at the expense of high power consumption (1.2 mW from a 1.2 V power supply).…”