euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk vcxo 14 pin dual-in-line gv14 cmos part numbering example: 3gv14b-80n-156.25 supply voltage 3 = +3.3v series designator gv14 stability over temperature range (see table) pullability in ppm pullability determinator n = minimum m = maximum t = typical frequency in mhz outline & dimensions stability code frequency stability a 25 0~+70c b 50 0~+70c c 100 0~+70c d 25 -40~+85c e 50 -40~+85c f 100 -40~+85c if non-standard frequency stability is required use ?i? followed by stability, i.e. i20 for 20ppm stability ppm temp. range description frequency range 50.01mhz to 200mhz lvcmos output supply voltage 3.3 vdc high q fundamental mode crystal low jitter multiplier circuit low unit cost frequency range: 50.01mhz to 200.0mhz supply voltage: 3.3 vdc 5% output logic: lvcmos integrated phase jitter: 2.3ps typical, 4.0ps maximum (for 155.250mhz) period jitter rms: 4.0ps typical (for 155.250mhz) period jitter peak to peak: 27.0ps typical (for 155.250mhz) phase noise: see table below initial frequency accuracy: tune to the nominal frequency with vc= 1.65 0.2vdc output voltage high (1): 90% vdd minimum output voltage low (0): 10% vdd maximum pulling range: from 30ppm to 150ppm temperature stability: see table output load: 15pf start-up time: 10ms maximum, 5ms typical duty cycle: 50% 5% measured at 50% vdd rise/fall times: 1.2ns typical (15pf load) current consumption: 25ma maximum (15pf load) linearity: 10% maximum, 6% typical modulation bandwidth: 25khz minimum input impedance: 2 m w minimum slope polarity: monotonic and positive. ( an (transfer function) increase of control voltage always increases output frequency.) storage temperature: -50 to +100c ageing: 5ppm per year maximum enable/disable (tristate): not available ( 4 pad package ) rohs status: fully compliant specification gv14 vcxos, are packaged in an industry-standard, 14 pin dual in line package. the vcxo incorporates a high q fundamental mode crystal and a low jitter multiplier circuit. 10hz -65dbc/hz 100hz -95dbc/hz 1khz -120dbc/hz 10khz -128dbc/hz 100khz -122dbc/hz 1mhz -120dbc/hz 10mhz -140dbc/hz offset frequency 155.25mhz phase noise
|
