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SL6609ANPDS 数据表(PDF) 9 Page - Zarlink Semiconductor Inc |
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SL6609ANPDS 数据表(HTML) 9 Page - Zarlink Semiconductor Inc |
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9 / 20 page  SL6609A 8 COMPONENTS LIST FOR APPLICATION BOARD At 470MHz, 25kHz Channel Spacing. (LO circuit is 50 Ω network as in Fig.5 - crystal oscillator not specified) Resistors R1 open circuit R2 open circuit R3 100 R4 100k R5 100 R6 100 R7 100 R8 open circuit R9 220k R10 1M R11 100k (2) R12 300 (3) R13 3k9 (1) R14 4k7 R15 4k7 R16 33k R17 open circuit (4) R18 0R (4) R22 open circuit Capacitors C1 1n C2 3.3pF C3 1n C4 1n C5 3.9pF C6 2u2 C7 1n C8 100n C9 1n (2) C10 2u2 C11 100n C12 1n C13 1n C14 1n C15 1n C16 1n C17 1n C18 1n C19 not used C20 1n C21 1n C22 not used C23 not used C24 1n C25 1n C26 open circuit C27 not used C28 not used C29 100p C30 2u2 C31 2u2 C34 1p5 VC1 1-3pF Inductors L1 47nH (5) L2 not used (3) T1 16nH 2 Turn 1:1 (Coilcraft) Q4123-A Active Components Q1 Zetex FMMT589 Q2 Philips BFT25A Q3 Not Used Q4 Philips BFT25A(3) Q5 Philips BFT25A D1 Panasonic MA862(6) Notes 1. The values of R13 is determined by the set-up proce- dure. See Application Note. 2. The value of "C9" is determined by the output data rate. Use 2nF for 512bps, 1nF for 1200bps and 470pF for 2400bps. 3. R12 & Q4 form a dummy load for the regulator. Permitted load currents for the regulator are 250µA to 5mA. The 1V regulator (output Pin 23) can be switched off by connecting Pin 23 directly to VCC2. Q1, Q4, R12 and C12 must then be omitted 4. L2 is used in the Audio AGC circuit (see Fig.6). For the characteristics of the Audio AGC current source see figure 7. If the Audio AGC is not required then the current source (Pin 28) may be disabled by connecting Pin 9 (TCADJ) to VR (Pin 6) and by connecting Pin 28 (IAGCOUT) to Vcc1, (R18). The voltage at Pin 8 may still be used as an RSSI. R9, C8, C14, C19, R17 and D1 may then be omitted. 5. L1and C26 form the low noise matching network for the RF amplifier. The values given are for the RF amplifier specified in the Applications Circuit with no Audio AGC connected. i.e. R17 and D1 omitted. 6. Suggested diode for use with the Audio AGC circuit (D1 is not included on the general demonstration circuit). 7. The value of R11 is dependent on the data output load. R11 should allow sufficient current to drive the data output load. |
类似零件编号 - SL6609ANPDS |
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类似说明 - SL6609ANPDS |
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