W-2220B Disc Pallet Dual Chamber Temperature Test System
- Automated, software based quartz crystal temperature test system
- Holds up to 1280 devices per run
- Standard SMD sizes available include:
- Custom SMD Sizes available
- High speed fan mounted inside the chamber cover provides fast temperature soak time
- Measures over 75 different parameters
- Parameter and curve fit characteristics are checked against easy to define QC limits
- Crystals of different frequencies can be tested in a single temperature run
- All data is published in a Microsoft Access data base and can be exported to Microsoft Excel for custom data analysis
- Printouts are generated using Crystal Reports®

Specifications
| 250B-2 Frequency Range: | 15 KHz to 220 MHz |
| 250C-2 Frequency Range: | 15 KHz to 420 MHz |
| Frequency Correlation: | ± 1 ppm* at series (typical) |
| Crystal Power: | 1 nW to 1000 uW (1 MHz to 50 MHz) 1 nW to 500 uW (>50 MHz to 200 MHz) |
| Temperature Stability: | ± 0.1° C |
| Example Throughput: | 5 temperature points (-20, 0, 25, 50, 85) 1200 parts per hour |
* Proprietary measurement and calibration algorithms provide correlation to industry standard crystal measurement equipment.
System Configuration
- S&A 250B-2 or 250C-2 Network Analyzer
- Two S&A 2451 Switch Controllers
- Two S&A 4220 Temperature Test Chambers
(LCO2, LN2, or Mechanical Refrigeration Cooling) - Two IEC-444 Pi-Network Test Heads
- Windows® based System Software
- System Controller
- Printer (Optional)
Sample Reports

The Roditi International Corporation Ltd is the exclusive European representative of Saunders & Associates, LLC




