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ADF4360-7BCPZ Folha de dados(PDF) 4 Page - Analog Devices |
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ADF4360-7BCPZ Folha de dados(HTML) 4 Page - Analog Devices |
4 / 28 page ADF4360-7 Data Sheet Rev. B | Page 4 of 28 Parameter B Version Unit Conditions/Comments RF OUTPUT CHARACTERISTICS5 Maximum VCO Output Frequency 1800 MHz ICORE = 5 mA. Depending on L. See the Choosing the Correct Inductance Value section. Minimum VCO Output Frequency 350 MHz VCO Output Frequency 490/585 MHz min/max L1, L2 = 13 nH. See the Choosing the Correct Inductance Value section for other frequency values. VCO Frequency Range 1.2 Ratio FMAX/FMIN VCO Sensitivity 12 MHz/V typ L1, L2 = 13 nH. See the Choosing the Correct Inductance Value section for other sensitivity values. Lock Time6 400 μs typ To within 10 Hz of final frequency. Frequency Pushing (Open Loop) 6 MHz/V typ Frequency Pulling (Open Loop) 15 kHz typ Into 2.00 VSWR load. Harmonic Content (Second) −19 dBc typ Harmonic Content (Third) −9 dBc typ Output Power5, 7 −14/−5 dBm typ Programmable in 3 dB steps. See Table 7. Output Power Variation ±3 dB typ For tuned loads, see Output Matching section. VCO Tuning Range 1.25/2.5 V min/max NOISE CHARACTERISTIC5 VCO Phase-Noise Performance8 −116 dBc/Hz typ @ 100 kHz offset from carrier. −138 dBc/Hz typ @ 1 MHz offset from carrier. −144 dBc/Hz typ @ 3 MHz offset from carrier. −148 dBc/Hz typ @ 10 MHz offset from carrier. Synthesizer Phase-Noise Floor9 −172 dBc/Hz typ @ 25 kHz PFD frequency. −163 dBc/Hz typ @ 200 kHz PFD frequency. −147 dBc/Hz typ @ 8 MHz PFD frequency. In-Band Phase Noise10, 11 −92 dBc/Hz typ @ 1 kHz offset from carrier. RMS Integrated Phase Error12 0.3 Degrees typ 100 Hz to 100 kHz. Spurious Signals due to PFD Frequency11, 13 −70 dBc typ Level of Unlocked Signal with MTLD Enabled −44 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; P = 32. 5 Unless otherwise stated, these characteristics are guaranteed for VCO core power = 5 mA. L1, L2 = 13 nH, 470 Ω resistors to GND in parallel with L1, L2. 6 Jumping from 490 MHz to 585 MHz. PFD frequency = 200 kHz; loop bandwidth = 10 kHz. 7 Using 50 Ω resistors to VVCO, into a 50 Ω load. For tuned loads, see the Output M section. atching 8 The noise of the VCO is measured in open-loop conditions. 9 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). 10 The phase noise is measured with the EVAL-ADF4360-xEB1 Evaluation Board and the HP 8562E Spectrum Analyzer. The Spectrum Analyzer provides the REFIN for the synthesizer; offset frequency = 1 kHz. 11 fREFIN = 10 MHz; fPFD = 200 kHz; N = 2500; loop B/W = 10 kHz. 12 fREFIN = 10 MHz; fPFD = 1 MHz; N = 500; loop B/W = 25 kHz. 13 The spurious signals are measured with the EVAL-ADF4360-xEB1 Evaluation Board and the HP 8562E Spectrum Analyzer. The Spectrum Analyzer provides the REFIN for the synthesizer; fREFOUT = 10 MHz @ 0 dBm. |
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