| 전자부품 데이터시트 검색엔진 |
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PT4455 데이터시트(PDF) 2 Page - Princeton Technology Corp |
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PT4455 데이터시트(HTML) 2 Page - Princeton Technology Corp |
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2 / 4 page ![]() PT4455 V1.1 2 January 2013 APPLICATION CIRCUIT XOUT 1 VSS 2 PAOUT 3 DIN 4 VDD 5 XIN 6 PT4455 X1 R2 R1 DIN VDD C5 C4 L2 L1 C3 C6 C1 C2 R3 R4 C7 R5 BILL OF MATERIALS Part Value Unit 315MHz 433.92MHz X1 9.844M 13.56M Hz R1 10K 10K Ω R2 100K 100K Ω R3 0 0 Ω R4 0 0 Ω R5 560K 560K Ω C1 22p 18p F C2 22p 18p F C3 1μ 1μ F C4 220p 220p F C5 8.2p 4.7p F C6 18p 10p F C7 2.2μ 2.2μ F L1 180n 180n H L2 33n 27n H Notes: 1. C1/C2 can be used to trim the transmitted signal frequency for matching the specified value. 2. L2/C5/C6 value will depend on PCB layout. 3. The recommend maximum ESR value of X1 is 40 Ω. 4. To populate the R5 over XIN will help to maintain good oscillation in high X1 ESR. |
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