Motorola Astro XTL 1500 - Page 9

viii Table of Contents
June 15, 2005 6815854H01-A
3.13.1.1 Reference Oscillator...............................................................................................3-46
3.13.1.2 LV Frac-N Synthesizer IC.......................................................................................3-46
3.13.1.3 Voltage Multiplier....................................................................................................3-47
3.13.1.4 Superfilter ...............................................................................................................3-47
3.13.1.5 Modulation..............................................................................................................3-47
3.13.1.6 Charge Pump Bias .................................................................................................3-48
3.13.1.7 Loop Filter ..............................................................................................................3-48
3.13.1.8 Lock Detect ............................................................................................................3-48
3.13.1.9 Transmitter Injection...............................................................................................3-48
3.13.1.10 Receiver Injection...................................................................................................3-49
3.13.1.11 Transmitter VCOs...................................................................................................3-49
3.13.1.12 Receiver VCOs.......................................................................................................3-49
3.13.1.13 Prescaler Feedback ...............................................................................................3-49
3.13.2 UHF Range 1 (380–470 MHz) Band ...............................................................................3-49
3.13.2.1 Reference Oscillator...............................................................................................3-50
3.13.2.2 LV Frac-N Synthesizer IC.......................................................................................3-50
3.13.2.3 Voltage Multiplier....................................................................................................3-51
3.13.2.4 Superfilter ...............................................................................................................3-51
3.13.2.5 Modulation..............................................................................................................3-51
3.13.2.6 Charge Pump Bias .................................................................................................3-52
3.13.2.7 Loop Filter ..............................................................................................................3-52
3.13.2.8 Lock Detect ............................................................................................................3-52
3.13.2.9 Transmitter Injection...............................................................................................3-52
3.13.2.10 Receiver Injection...................................................................................................3-52
3.13.2.11 Transmitter VCOs...................................................................................................3-53
3.13.2.12 Receiver VCOs.......................................................................................................3-53
3.13.2.13 Prescaler Feedback ...............................................................................................3-53
3.13.3 UHF Range 2 (450–520 MHz) Band ...............................................................................3-54
3.13.3.1 Reference Oscillator...............................................................................................3-55
3.13.3.2 LV Frac-N Synthesizer IC.......................................................................................3-55
3.13.3.3 Voltage Multiplier....................................................................................................3-55
3.13.3.4 Superfilter ...............................................................................................................3-56
3.13.3.5 Modulation..............................................................................................................3-56
3.13.3.6 Charge Pump Bias .................................................................................................3-56
3.13.3.7 Loop Filter ..............................................................................................................3-56
3.13.3.8 Lock Detect ............................................................................................................3-56
3.13.3.9 Transmitter Injection...............................................................................................3-57
3.13.3.10 Receiver Injection...................................................................................................3-57
3.13.3.11 Transmitter VCOs...................................................................................................3-57
3.13.3.12 Receiver VCOs.......................................................................................................3-57
3.13.3.13 Prescaler Feedback ...............................................................................................3-58
3.13.4 700–800 MHz Band.........................................................................................................3-58
3.13.4.1 Reference Oscillator...............................................................................................3-59
3.13.4.2 LV Frac-N Synthesizer IC.......................................................................................3-59
3.13.4.3 Voltage Multiplier....................................................................................................3-59
3.13.4.4 Superfilter ...............................................................................................................3-60
3.13.4.5 Modulation..............................................................................................................3-60
3.13.4.6 Charge Pump Bias .................................................................................................3-60
3.13.4.7 Loop Filter ..............................................................................................................3-60
3.13.4.8 Lock Detect ............................................................................................................3-60
3.13.4.9 Transmitter Injection...............................................................................................3-61
3.13.4.10 Receiver Injection...................................................................................................3-61
3.13.4.11 Transmitter VCOs...................................................................................................3-61
3.13.4.12 Receiver VCOs.......................................................................................................3-62