Fox Offers Miniature SMD HCMOS Crystal Oscillators Fox Electronics is offering its integrated SMD HCMOS temperature-compensated crystal oscillators (TCXOs) and voltage-controlled TCXOs (VCTCXOs) in miniature 3.2mm x 2.5mm package sizes. The 3.3V Fox923CH and Fox923CEH series of oscillators eliminate the need for supplementary external circuitry to obtain a HCMOS output. Suitable for timing requirements in applications such as radio-frequency-identification (RFID) readers, utility metering, wireless telecommunications, GPS, data transfer and test and measurement equipment, these new oscillators offer tighter stabilities than traditional oscillators. Stability is +/-2.5ppm over the -30C to +85C operating temperature range, +/-0.3ppm over the 3.3V (+/-5 per cent) supply voltage and +/-0.2ppm over the 15pF load change. The series offers an input current (IDD) of 6mA, an output symmetry of 40 per cent to 60 per cent over a frequency range of 9MHz to 32MHz and typical phase noise from -1...
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