pascall electronics limited westridge business park cothey way ryde, isle of wight po33 1qt uk tel +44 (0) 1983 817300 fax +44 (0) 1983 564708 email enquiries@pascall.co.uk www.pascall.co.uk electronics limited ocxo series - ultra low noise crystal oscillators 04/07 pascall ocxo series is designed to meet the increasing demand for high performance reference oscillators. oven-controlled sc-cut crystals are used to give good temperature stability combined with the lowest possible phase noise. the oscillators are available with either mechanical or electrical tuning, with the option of a low noise reference voltage output to allow the oscillator to be tuned using an external potentiometer. emrise emrise electronics electronics a subsidiary of emrise electronics outline drawing
electronics limited ocxo series - ultra low noise crystal oscillators 50 - 130mhz +/- 6 x 10 0 - 10v, positive slope -30 to 70oc: +/- 2 x 10 0.5 x 10 after 30 days 13dbm 2db, 50 ? -20db c +12v +/-5% steady state 2.5w, warm-up 5w (<5 mins) sma jack 51.0 x 51.0 x 19.0mm reference voltage output - 10.6v nominal (source impedance 10k ? in parallel with 10 f) mechanical tuning +/-6 x 10 supply voltage +15v 5% frequency range tuning range tune voltage temperature stability aging/ year output power harmonics phase noise for 100mhz unit supply voltage power consumption at 25oc rf output connector dimensions options ordering information -6 -6 -6 -7 minimum guaranteed performance ocxo-a-xxxx-y-z-a ocxo supply voltage , 0= 12v and 1=15v output frequency to 1 decimal place reference voltage output 1 = yes 0 = no tuning 1 = mechanical 0 = electrical to summarise: a part number depicted as follows: ocxo-1-0975 this shows an ocxo with level 1 performance, 97.5mhz frequency, with reference voltage output, tuning = mechanical and 12v operation. for any other performance levels, please consult the factory 100hz 1khz 10khz offsets level 5 level 4 level 3 level 2 level 1 -120 -125 -130 -132 -135 -150 -155 -158 -160 -162 -174 dbc/hz -175 dbc/hz -176 dbc/hz -176 dbc/hz -176 dbc/hz performance level errors and omissions excepted
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