SAW Resonators (TSR) Can Replace LC Elements and Quartz Crystals
Token SAW Resonator employs surface acoustic wave, and is able to be applied to high frequency circuit where conventional crystal, ceramic resonators are not available, as SAW Resonator oscillates stably with its fundamental mode over frequency range from 200 MHz to around 1 GHz.
The SAW resonator uses arrays of metal strips, with pitch λ/2, as reﬂectors of the waves. These arrays can give strong SAW reﬂections, and two arrays can be used to form a SAW cavity with high Q.
The AP1306 fan motor predriver is suited for two-coil brush-less DC fan. All functions, including lock shutdown, automatic restart, speed indication (FG), have been incorporated into one chip. When the motor is under lock condition, lock shutdown function turns off the output. When the lock condition is removed, the IC automatically restarts and allows DC fan to run. In addition, the FG function is to indicate the rotation speed.
The LM306 is a high-speed voltage comparator with differential inputs, a low-impedance high sink-current (100 mA) output, and two strobe inputs. This device detects low-level analog or digital signals and can drive digital logic or lamps and relays directly. Short-circuit protection and surge-current limiting is provided.
Fast Response Times
Improved Gain and Accuracy
Fanout to 10 Series 54/74 TTL Loads