（100MHz 恒温晶振OCXO-3X系列）

晶诺威科技产恒温晶振OCXO-3X系列电气参数详解如下：

恒温晶体振荡器简称恒温晶振，英文简称为OCXO（Oven Controlled Crystal Oscillator），属于有源晶振。其特点是高频化、高频率稳定度和低相位噪声，主要用于移动通信基地站、国防、导航、频率计数器、频谱和网络分析仪等设备。

一、FEATURES特点

• SC-Cut Crystal 内置SC切晶体
• High “Q” resonator based design
• Either Sinewave or CMOS RF output 正弦波/方波可选
• Available with +30 ppb over -40°C to +85°C operating temperature range
• Tighter Stabilities to +5.0 ppb over 0°C to +50°C also available
• Exceptional long-term Aging of +500 ppb max. over 10-Year Product Life
• Excellent close-in phase noise (-140 dBc/Hz Max. @100Hz offset; 10MHz carrier)

二、APPLICATIONS应用领域

• Cellular Infrastructure
• Radar Systems
• Test & Measurement Equipment
• WiMax/WLAN
• GPS Tracking with precision hold-over accuracy

三、STANDARD SPECIFICATIONS 电气参数

Frequency: 2~100MHz

Waveform: CMOS方波

Level”1″ (Logic High): 0.9*Vdd

Level”0″ (Logic Low): 0.1*Vdd

Load负载:15 pF

Rise & Fall Time:6 ns

Duty Cycle占空比:45%~55%

Waveform: Sinewave 正弦波

Output Load输出负载: 50Ω

Operable Temperature Range: -40~75℃

四、Frequency Stability Options 频率稳定度

0° Cto +50°C (Note #1):±5ppb

-20°Cto +70°C: ±10ppb

40°Cto+75°C: ±30ppb

Frequency Stability vs. Supply Voltage (Vdd + 5%):±5ppb

Frequency Stability vs. Load Variation (+ 10%):±5ppb

Warm-Up @25 °C : ±200ppb (In≤3 minutes)

五、Power Consumption 功耗

Power Consumption @turn on : 3 W

Power Consumption Steady State: 1 W

Supply Voltage (Vdd): 3.3V (3.13 ~3.46V )

六、Aging 老化

Daily: ±1ppb

First Year: ±100ppb

10 Years: ±500ppb

七、Phase Noise相噪

Phase Noise 相噪(10MHz Carrier) @ 5V

@1 Hz offset :-90 dBc

@10 Hz offset :-120 dBc

@100 Hz offset: -140 dBc

@1000 Hz offset: -145 dBc

@10000 Hz offset: -150 dBc

Spurious Response: -35dBc

八、Electrical Frequency Adjustment 电气频率调整

Control Voltage Range (Vc)压控范围: 0~Vdd

Frequency Pull Range频率拉伸范围: ±0.7 ppm

Frequency Pull Slope: Positive 正斜率

Control Voltage Port Impedance: 10 kΩ (Control Voltage Port Impedance)

Center Control Voltage压控中心电压 : Vdd/2    ( Vdd/2-0.5 ~Vdd/2+0.5 )

Reference Voltage (Vdd=3.3V) : : 2.8 V (Output输出电压: 2.7~2.9 V)

Reference Voltage (Vdd=5.0V) : 4.5 V (Output输出电压: 4.4~4.6 V)

九、Storage Temperature 存储温度

Storage Temperature: -40~+85℃