AD9956/PCB Analog Devices Inc, AD9956/PCB Datasheet - Page 9

• Manufacturer Part Number: AD9956/PCB
• Description: BOARD EVAL FOR AD9956
• Manufacturer: Analog Devices Inc

Specifications of AD9956/PCB

• Module/board Type: Evaluation Board
• For Use With/related Products: AD9956
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LOOP MEASUREMENT CONDITIONS
622 MHz OC-12 Clock
VCO = Sirenza 190-640T
Reference = Wenzel 500-10116 (30.3 MHz)
Loop Filter = 10 kHz BW, 60° Phase Margin
C1 = 170 nF, R1 = 14.4 Ω, C2 = 5.11 µF, R2 = 89.3 Ω,
C3 Omitted
CP_OUT = 4 mA (Scaler = ×8)
÷R = 2, ÷M = 1, ÷N = 1
Rev. A | Page 9 of 32
105 MHz Converter Clock
VCO = Sirenza 190-845T
Reference = Wenzel 500-10116 (30.3 MHz)
Loop Filter = 10 kHz BW, 45° Phase Margin
C1 = 117 nF, R1 = 28 Ω, C2 = 1.6 µF, R2 = 57.1 Ω, C3 = 53.4 nF
CP_OUT = 4 mA (Scaler = ×8)
÷R = 8, ÷M = 1, ÷N = 1
INPUT
C1
Figure 2. Generic Loop Filter
C2
R1
R2
C3
OUTPUT
AD9956