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ADF4360-8 bảng dữ liệu(PDF) 4 Page - Analog Devices |
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4 / 24 page ADF4360-8 Data Sheet Rev. C | Page 4 of 24 Parameter B Version Unit Conditions/Comments Frequency Pulling (Open Loop) 10 Hz typ Into 2.00 VSWR load Harmonic Content (Second) −16 dBc typ Harmonic Content (Third) −21 dBc typ Output Power5, 7 −9/0 dBm typ Using tuned load, programmable in 3 dB steps; see Table 7 Output Power5, 8 −14/−9 dBm typ Using 50 Ω resistors to VVCO, programmable in 3 dB steps; see Table 7 Output Power Variation ±3 dB typ VCO Tuning Range 1.25/2.5 V min/max NOISE CHARACTERISTICS5 VCO Phase Noise Performance9 −120 dBc/Hz typ @ 100 kHz offset from carrier −139 dBc/Hz typ @ 800 kHz offset from carrier −140 dBc/Hz typ @ 3 MHz offset from carrier −142 dBc/Hz typ @ 10 MHz offset from carrier Synthesizer Phase Noise Floor10 −160 dBc/Hz typ @ 200 kHz PFD frequency −150 dBc/Hz typ @ 1 MHz PFD frequency −142 dBc/Hz typ @ 8 MHz PFD frequency Phase Noise Figure of Merit10 −215 dBc/Hz typ In-Band Phase Noise11, 12 −102 dBc/Hz typ @ 1 kHz offset from carrier RMS Integrated Phase Error13 0.09 Degrees typ 100 Hz to 100 kHz Spurious Signals due to PFD Frequency12, 14 −75 dBc typ Level of Unlocked Signal with MTLD Enabled −70 dBm typ 1 Operating temperature range is –40°C to +85°C. 2 Guaranteed by design. Sample tested to ensure compliance. 3 ICP is internally modified to maintain constant loop gain over the frequency range. 4 TA = 25°C; AVDD = DVDD = VVCO = 3.3 V. 5 Unless otherwise stated, these characteristics are guaranteed for VCO core power = 5 mA. L1, L2 = 270 nH, 470 Ω resistors to GND in parallel with L1, L2. 6 Jumping from 88 MHz to 108 MHz. PFD frequency = 200 kHz; loop bandwidth = 10 kHz. 7 For more detail on using tuned loads, see the Output Matching section. 8 Using 50 Ω resistors to VVCO, into a 50 Ω load. 9 The noise of the VCO is measured in open-loop conditions. 10 The synthesizer phase noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20 log N (where N is the N divider value). The phase noise figure of merit subtracts 10 log (PFD frequency). 11 The phase noise is measured with the EV-ADF4360-8EB1Z Evaluation Board and the HP 8562E Spectrum Analyzer. The Spectrum Analyzer provides the REFIN for the synthesizer; offset frequency = 1 kHz. 12 fREFIN = 10 MHz; fPFD = 200 kHz; N = 1000; loop B/W = 10 kHz. 13 fREFIN = 10 MHz; fPFD = 1 MHz; N = 120; loop B/W = 100 kHz. 14 The spurious signals are measured with the EV-ADF4360-8EB1Z Evaluation Board and the HP 8562E Spectrum Analyzer. The Spectrum Analyzer provides the REFIN for the synthesizer; fREFOUT = 10 MHz @ 0 dBm. |
Số phần tương tự - ADF4360-8_15 |
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Mô tả tương tự - ADF4360-8_15 |
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