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Hello, Please ask a question about B3782 Datasheet
# Example questions:
➢ G., b3782_sb.s2p, s_6001). what type of information would be found in these files?
➢ What is the recommended source power and impedance for optimal performance of the b3782 saw filter?
➢ What key steps should be taken in pcb layout to minimize crosstalk and achieve good ultimate rejection?
| Part No. | B3782 |
| Manufacturer | EPCOS |
| Size | 80 Kbytes |
| Pages | 8 pages |
| Description | SAW filter 433.92 MHz |
1. Product Identification
️· Product: SAW (Surface Acoustic Wave) Filter
️· Type: B3782
️· Ordering Code: B39431B3782Z810
️· Marking & Package: C61157-A7-A46
️· Packaging: F61074-V8167-Z000
️· Date Codes: L_1126
2. Key Specifications & Performance
️· Center Frequency: 433.92 MHz
️· Operating Temperature Range: -45°C to +120°C
️· Storage Temperature Range: -45°C to +120°C
️· Maximum DC Voltage: 6V
️· Maximum Source Power: 10 dBm (50 Ω source impedance)
️· RoHS Compliant: Yes (meets EU directives related to hazardous substances)
️· Matching Network Component Values (Approximate):
- C p1 = 4.7 pF
- L s2 = 47 nH
- L s3 = 47 nH
- C p4 = 4.7 pF
3. PCB Layout & Crosstalk Minimization
️· Grounding is Critical: Proper grounding is essential to minimize crosstalk.
️· Avoid Ground Loops: Ground loops are created when the input and output transducer grounds are connected on the top side of the PCB and fed to the system ground plane via a common via hole.
️· Recommended Layout: Input and output transducer grounds should be fed to the system ground plane (bottom PCB plane) using dedicated via holes. The upper grounding area should be isolated from the system ground plane.
️· Inductivity Impact: A common GND inductivity of 0.5nH degrades ultimate rejection (crosstalk) by 20dB.
4. Data Files & Resources
️· S-Parameters Files: B3782_SB.s2p, B3782_WB.s2p
️· Soldering Profile: S_6001
️· Website: www.epcos.com (for further information and documentation)
5. Important Notes & Disclaimers (General EPCOS Statements)
️· Suitability for Application: While EPCOS provides specifications, customers are responsible for ensuring the product is suitable for their specific application.
️· Product Malfunction: EPCOS disclaims responsibility for damages resulting from product malfunction, especially in safety-critical applications.
️· Substance Restrictions: Some products may contain restricted substances. Refer to material data sheets for details.
️· Product Changes & Availability: EPCOS reserves the right to modify products and discontinue them.
️· Terms of Delivery: Orders are subject to the ZVEI’s General Terms of Delivery.
️· Trademarks: EPCOS owns various trademarks.
1. Product Identification
️· Product: SAW (Surface Acoustic Wave) Filter
️· Type: B3782
️· Ordering Code: B39431B3782Z810
️· Marking & Package: C61157-A7-A46
️· Packaging: F61074-V8167-Z000
️· Date Codes: L_1126
2. Key Specifications & Performance
️· Center Frequency: 433.92 MHz
️· Operating Temperature Range: -45°C to +120°C
️· Storage Temperature Range: -45°C to +120°C
️· Maximum DC Voltage: 6V
️· Maximum Source Power: 10 dBm (50 Ω source impedance)
️· RoHS Compliant: Yes (meets EU directives related to hazardous substances)
️· Matching Network Component Values (Approximate):
- C p1 = 4.7 pF
- L s2 = 47 nH
- L s3 = 47 nH
- C p4 = 4.7 pF
3. PCB Layout & Crosstalk Minimization
️· Grounding is Critical: Proper grounding is essential to minimize crosstalk.
️· Avoid Ground Loops: Ground loops are created when the input and output transducer grounds are connected on the top side of the PCB and fed to the system ground plane via a common via hole.
️· Recommended Layout: Input and output transducer grounds should be fed to the system ground plane (bottom PCB plane) using dedicated via holes. The upper grounding area should be isolated from the system ground plane.
️· Inductivity Impact: A common GND inductivity of 0.5nH degrades ultimate rejection (crosstalk) by 20dB.
4. Data Files & Resources
️· S-Parameters Files: B3782_SB.s2p, B3782_WB.s2p
️· Soldering Profile: S_6001
️· Website: www.epcos.com (for further information and documentation)
5. Important Notes & Disclaimers (General EPCOS Statements)
️· Suitability for Application: While EPCOS provides specifications, customers are responsible for ensuring the product is suitable for their specific application.
️· Product Malfunction: EPCOS disclaims responsibility for damages resulting from product malfunction, especially in safety-critical applications.
️· Substance Restrictions: Some products may contain restricted substances. Refer to material data sheets for details.
️· Product Changes & Availability: EPCOS reserves the right to modify products and discontinue them.
️· Terms of Delivery: Orders are subject to the ZVEI’s General Terms of Delivery.
️· Trademarks: EPCOS owns various trademarks.
| Part No. | B3782 |
| Manufacturer | EPCOS |
| Size | 80 Kbytes |
| Pages | 8 pages |
| Description | SAW filter 433.92 MHz |
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