straight multiplication hcmos vcxo CVH-731/751 rev.: c date: 02-07-08 model CVH-731/751 is a 50mhz to 180mhz hcmos voltage controlled crystal oscillator. designed using straight multiplication operating at 3.3vdc or 5.0vdc and -40 to +85c operating temperature.. this design provides cost advantage over the hff mesa design and superior performance over pll designs. this vcxo is also available in 3.3vdc and 5.0vdc clock oscillator versions. applications include broad band networks, sonet/sdh/dwd, atm, network/switch and base stations
straight multiplication hcmos vcxo CVH-731/751 rev.: c date: 02-07-08 frequency range: 50mhz to 180mhz temperature range: 0c to +70c (standard) (option m) -20c to +70c (option x) -40c to +85c storage: -45c to 120c frequency stability: (ppm) vs temp. (ref. to +25c) 15, 20, 25, 50, 100 max vs supply chage 5% 5ppm max vs load chage 10% 3ppm max input voltage: (731) 3.3v 0.3v (751) 5.0v 0.5v input current: 25~60ma (freq. dependent) input impedance: 10k ohms min. control voltage: (731) 1.65v 1.65v (751) 2.5v 2.5v settability at nominal: (731) 1.65v 0.25v (751) 2.5v 0.5v output: hcmos symmetry: 40/60% max @ 50%vdd (option y) 45/55% max @ 50%vdd rise/fall time: 2~10nsec@ 20% to 80% vdd (freq. dependent) pullability apr: (ppm) 50, 100, 150, 200 min (see table) linearity: 10% max logic: 0 = 10% vdd max 1 = 90% vdd min. load: 15pf typical start-up time: 2msec typical, 5msec max modulation bw: >10khz @ -3db sub-harmonics: -35dbc typical phase noise typical: 10hz @ -52 dbc/hz 100hz @ -85dbc/hz 1khz @ -120 dbc/hz 10khz @ -150 dbc/hz 100khz @ -155 dbc/hz aging: <3ppm 1st/yr, <1ppm thereafter
straight multiplication hcmos vcxo CVH-731/751 rev.: c date: 02-07-08 mechanical: shock: solderability: vibration: solvent resistance: resistance to soldering heat: environmental: gross leak: fine leak: thermal shock: moisture resistance: mil-std-883, method 2002, condition b mil-std-883, method 2003 mil-std-883, method 2007, condition a mil-std-202, method 215 mil-std-202, method 210, condition a,b or c mil-std-883, method 1014, condition c mil-std-883, method 1014, condition a1 mil-std-883, method 1011, condition a mil-std-883, method 1004 cvh - 751 x y b z - 125.000 #2 #3 #1 #5 #4 #1 crystek 14 pin dip vcxo #2 model = straight multiplication 3.3v or 5.0v #3 temp. range (blank=0/70c)(m=-20/70c)(x=-40/85c) #4 duty cycle: blank = 40/60%, y = 45/55% #5 frequency stability: a=15, b= 20, c= 25, d= 50, e= 100 #6 frequency pullability (apr min.): z= 50,y= 100,x= 150,w= 200 #7 frequency in mhz: 3 or 6 decimal places example: cvh-751xybw-125.000 5.0v, -40/85c, 45/55%, 20ppm, 50ppm, 125.000 mhz part number guide #6 #7 pad connection 1 volt. cntrl. 2 gnd 3 output 4 vdd 0.600 (15.24) 0.300 (7.62) pin 1 pin 14 pin 7 pin 8 0.300 (7.62) 0.236 (6.00) crystek part number frequency date code 0.750 (19.05) 0.820 (20.83) 0.520 (13.21) 0.450 (11.43) dimensions inches (mm) all dimensions are max unless otherwise specifed.
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