T70
T70
Greenray Industries' T70 Series TCXOs are designed for mobile, battery-powered applications requiring precision timing. They offer tight temperature stability, low power consumption, and a rugged, compact package suitable for exploration and tracking equipment.
Features
- Compact and durable 7.0 x 5.0 mm package
- Withstands vibration and high shock up to 50,000 g
- Temperature stability as low as ±0.1ppm
- Long-term aging less than 5ppm over 10 years
- Low acceleration sensitivity: < 0.7 ppb/g
- Low power consumption for battery efficiency
- Low phase noise
Applications
- Telecommunications
- High-shock electronics
- Mobile radio and instrumentation
- Airborne and wireless communications
- Microwave receivers
- Smart munitions
Electrical Characteristics
Frequency Characteristics
- Nominal Frequency: 10 to 50 MHz
- Frequency Stability: Varies with temperature range, e.g., ±0.1 ppm from -10°C to +60°C
- Aging: ±0.5 to ±1 ppm in the first year
- Acceleration Sensitivity: 2.5 ppb/g (SD), 0.7 ppb/g (LG)
- Electronic Frequency Control: ±7 ppm
DC Supply
- Supply Voltage: 3.0 to 3.6 VDC (T70, T72), 4.75 to 5.25 VDC (T71, T73)
- Input Current: 6 mA (CMOS), 3 mA (Clipped Sinewave)
RF Output
- CMOS Load: 15 pF
- Clipped Sine Load: 10 pF // 10k Ω
- Symmetry: 40% to 60%
Environmental Screenings
- Vibration: MIL-STD-202G, 20.71 g RMS
- Shock: MIL-STD-202G, up to 50,000 g
Ordering Information
Models are available with different input voltages and output types (CMOS or Clipped Sine). Frequency stability and G-sensitivity codes are specified for different temperature ranges and applications.
Recommended Solder Reflow Profiles
Details on solder reflow profiles are provided for optimal assembly.
Package Information
Information on package dimensions and materials is available for integration into various systems.
Catalog excerpts
Product Description Greenray Industries' T70 Series TCXOs offer reliable, precision performance for mobile, battery-powered apps. It has been developed as a reference oscillator for critical timing applications that require tight temperature stability, low supply current, a very rugged package, and a small footprint. The T70 Series is well-suited to use in exploration and tracking equipment applications. Small and rugged 7.0 x 5.0 mm package Withstand vibration, and high shock up to 50,000 g Tight temperature stability as low as ±0.1ppm Excellent long-term aging < 5ppm over 10 years Low acceleration sensitivity: < 0.7 ppb/g Low power consumption, enable reliable, battery-operated performance gains Low phase noise Telecommunications High-shock electronics Mobile radio Mobile instrumentation Airborne communications Wireless communications Microwave recei
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Electrical Characteristics Parameter Nominal Frequency Frequency Stability (other stabilities available) Aging Acceleration Sensitivity Frequency vs Reflow Electronic Frequency Control Frequency Characteristics Min Typical 10 ± 0.1 ± 0.1 ± 0.3 ± 1.0 ± 0.5 After 24hrs recovery EFC = 0 to VDD Positive slope Parameter Supply Voltage Input Current CMOS Clipped Sinewave Parameter CMOS Load Level Ordering Code Symmetry 50 Clipped Sine Load 10 pF // 10k Ω Level +0.8 (1) Acceleration Sensitivity is worst axis tested at 90 Hz, 10 g
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Environmental Screenings Screening Vibration Shock Environmentals Notes 0.3 PSD, 20.71 g RMS 100 g, 5 ms, Sawtooth Shock available up to 50,000 g Model: Input V Output T70 +3.3V CMOS T71 +5.0V CMOS T72 +3.3V Clipped Sine T73 +5.0V Clipped Sine Stability Code G-Sensitivity Code SD: < 2.5 ppb/g LG: < 0.7 ppb/g HG: Customer-specific *other frequency stabilities available, for further information please contact factory Recommended Solder Reflow Profiles Termination finish E: Gold plated (RoHS), Standard PB: SnPb 63/37 (non-RoHS) LF: SnAg 96.5/3.5 (Lead-
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Package information
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