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MC145151DW2 bảng dữ liệu(PDF) 6 Page - Freescale Semiconductor, Inc |
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MC145151DW2 bảng dữ liệu(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 24 page MC145151-2 and MC145152-2 Technical Data, Rev. 5 6 Freescale Semiconductor MC145151-2 Parallel-Input (Interfaces with Single-Modulus Prescalers) 1.3 Typical Applications Figure 3. 5 MHz to 5.5 MHz Local Oscillator Channel Spacing = 1 kHz Figure 4. Synthesizer for Land Mobile Radio UHF Bands 0 1 1 1 0 0 0 1 0 0 0 = 5 MHz 1 0 1 0 1 1 1 1 1 0 0 = 5.5 MHz 5 - 5.5 MHz VOLTAGE CONTROLLED OSCILLATOR NC NC PDout RA0 RA1 RA2 N13 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 MC145151-2 fin OSCout OSCin 2.048 MHz TRANSMIT: 440.0 - 470.0 MHz RECEIVE: 418.6 - 448.6 MHz (25 kHz STEPS) NOTES: 1. fR = 4.1667 kHz; ÷ R = 2410; 21.4 MHz low side injection during receive. 2. Frequency values shown are for the 440 - 470 MHz band. Similar implementation applies to the 406 - 440 MHz band. For 470 - 512 MHz, consider reference oscillator frequency X9 for mixer injection signal (90.3750 MHz). 60.2500 MHz “0" “1" “1" CHOICE OF DETECTOR ERROR SIGNALS LOCK DETECT SIGNAL T: 13.0833 - 18.0833 MHz R: 9.5167 - 14.5167 MHz T: 73.3333 - 78.3333 MHz R: 69.7667 - 74.7667 MHz X6 VCO LOOP FILTER X6 T/R VSS VDD TRANSMIT (ADDS 856 TO ÷ N VALUE) RECEIVE REF. OSC. 10.0417 MHz (ON-CHIP OSC. OPTIONAL) “1" “0" “0" fV LD RA0 RA1 RA2 OSCin OSCout MC145151-2 + V PDout φ R fV fin DOWN MIXER CHANNEL PROGRAMMING ÷ N = 2284 TO 3484 |
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Mô tả tương tự - MC145151DW2 |
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