CVH-731/751 Straight Multiplication HCMOS VCXO 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 Rev.: C Date: 02-07-08 CVH-731/751 Straight Multiplication HCMOS VCXO Frequency Range: Temperature Range: (Option M) (Option X) Storage: 50Mhz to 180Mhz 0°C to +70°C (standard) -20°C to +70°C -40°C to +85°C -45°C to 120°C Frequency Stability: (ppm) VS Temp.(ref. to +25°C) ±15, ±20, ±25, ±50, ±100 Max VS Supply Chage ±5% ±5ppm Max VS Load Chage ±10% ±3ppm Max Input Voltage: (731) (751) Input Current: Input Impedance: 3.3V ± 0.3V 5.0V ± 0.5V 25~60mA (Freq. Dependent) 10K ohms Min. Control Voltage: (731) (751) Settability At Nominal: (731) (751) 1.65V ±1.65V 2.5V ±2.5V 1.65V ±0.25V 2.5V ±0.5V Output: Symmetry: (Option Y) Rise/Fall Time: Pullability APR: (ppm) Linearity: Logic: Load: Start-up Time: HCMOS 40/60% Max @ 50%Vdd 45/55% Max @ 50%Vdd 2~10nsec@ 20% to 80% Vdd (Freq. Dependent) ±50, ±100, ±150, ±200 Min (see table) ±10% Max “0” = 10% Vdd Max “1” = 90% Vdd Min. 15pF Typical 2msec Typical, 5msec Max Modulation BW: Sub-harmonics: Phase Noise Typical: >10KHz @ -3dB -35dBc Typical Aging: <3ppm 1st/yr, <1ppm thereafter 10Hz @ -52 dBc/Hz 100Hz @ -85dBc/Hz 1KHz @ -120 dBc/Hz 10KHz @ -150 dBc/Hz 100KHz @ -155 dBc/Hz Rev.: C Date: 02-07-08 CVH-731/751 Straight Multiplication HCMOS VCXO 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 PART NUMBER GUIDE CVH - 751 X Y B Z - 125.000 #1 #2 #3 #4 #5 #6 #7 #1 Crystek 14 Pin Dip VCXO #2 Model = Straight Multiplication 3.3V OR 5.0V #3 Temp. Range (Blank=0/70°C)(M=-20/70°C)(X=-40/85°C) #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, -40/85°C, 45/55%, ±20ppm, ±50ppm, 125.000 MHz Pad 1 0.300 (7.62) 0.236 (6.00) Volt. Cntrl. 2 GND 3 Output 4 Vdd 0.820 (20.83) 0.600 (15.24) 0.300 (7.62) Connection 0.750 (19.05) Pin 1 Pin 7 Pin 14 Pin 8 CRYSTEK Part Number Frequency Date Code 0.520 (13.21) 0.450 (11.43) Dimensions inches (mm) All dimensions are Max unless otherwise specified. Rev.: C Date: 02-07-08