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ADF4107BRU Datasheet(PDF) 4 Page - Analog Devices |
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ADF4107BRU Datasheet(HTML) 4 Page - Analog Devices |
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4 / 20 page  ADF4107 Rev. 0 | Page 4 of 20 Parameter B Version1 B Chips2 (Typ) Unit Test Conditions/Comments NOISE CHARACTERISTICS ADF4107 Phase Noise Floor9 –174 –174 dBc/Hz typ @ 25 kHz PFD Frequency –166 –166 dBc/Hz typ @ 200 kHz PFD Frequency –159 –159 dBc/Hz typ @ 1 MHz PFD Frequency Phase Noise Performance10 @ VCO Output 900 MHz Output11 –93 –93 dBc/Hz typ @ 1 kHz offset and 200 kHz PFD Frequency 6400 MHz Output12 –76 –76 dBc/Hz typ @ 1 kHz offset and 200 kHz PFD Frequency 6400 MHz Output13 –83 –83 dBc/Hz typ @ 1 kHz offset and 1 MHz PFD Frequency Spurious Signals 900 MHz Output11 –90/–92 –90/–92 dBc typ @ 200 kHz/400kHz and 200 kHz PFD Frequency 6400 MHz Output12 –65/–70 –65/–70 dBc typ @ 200 kHz/400kHz and 200 kHz PFD Frequency 6400 MHz Output13 –70/–75 –70/–75 dBc typ @ 1 MHz/2MHz and 1 MHz PFD Frequency 1 Operating temperature range (B Version) is –40°C to +85°C. 2 The B Chip specifications are given as typical values. 3 Use a square wave for lower frequencies, below the minimum stated. 4 This is the maximum operating frequency of the CMOS counters. The prescaler value should be chosen to ensure that the RF input is divided down to a frequency that is less than this value. 5 AVDD = DVDD = 3 V. 6 Guaranteed by design. Sample tested to ensure compliance. 7 TA = 25°C; AVDD = DVDD = 3 V; P = 32; RFIN = 7.0 GHz. 8 TA = 25°C; AVDD = DVDD = 3.3 V; R = 16383; A = 63; B = 891; P = 32; RFIN = 7.0 GHz. 9 The synthesizer phase noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20logN (where N is the N divider value). 10 The phase noise is measured with the EVAL-ADF4107EB1 Evaluation Board and the HP8562E Spectrum Analyzer. The spectrum analyzer provides the REFIN for the synthesizer (fREFOUT = 10 MHz @ 0 dBm). 11 fREFIN = 10 MHz; fPFD = 200 kHz; Offset Frequency = 1 kHz; fRF = 900 MHz; N = 4500; Loop B/W = 20 kHz. 12 fREFIN = 10 MHz; fPFD = 200 kHz; Offset Frequency = 1 kHz; fRF = 6400 MHz; N = 32000; Loop B/W = 20 kHz. 13 fREFIN = 10 MHz; fPFD = 1 MHz; Offset Frequency = 1 kHz; fRF = 6400 MHz; N = 6400; Loop B/W = 100 kHz. |
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