Crystals Help Keep Time For Bluetooth

Targeting Bluetooth applications, the NX3225DA quartz crystals measure 3.2 x 2.5 x 0.6 mm, weigh 17 mg, and come in frequencies from 16 to 55 MHz. Operating temperature is -10°C to 60ÞC. Drive level is 10 mW, with the crystals capable of withstanding 100 mW maximum. Standard load capacitance is 10 pF and their equivalent series resistance is 100W maximum over a 16 to 30 MHz frequency range and 50W from 30 to 55 MHz. A 20.0-MHz NX3225DA costs about $0.60 each/10,000 on tape-and-reel. For further information, contact NDK AMERICA INC., Schaumburg, IL. (847) 517-2884.