EVAL-ADF4154EBZ1 Analog Devices Inc, EVAL-ADF4154EBZ1 Datasheet - Page 7

• Manufacturer Part Number: EVAL-ADF4154EBZ1
• Description: BOARD EVALUATION FOR ADF4154EB1
• Manufacturer: Analog Devices Inc

Specifications of EVAL-ADF4154EBZ1

• Main Purpose: Timing, Frequency Synthesizer
• Embedded: No
• Utilized Ic / Part: ADF4154
• Primary Attributes: Single Fractional-N PLL
• Secondary Attributes: 19.2MHz PFD, Graphical User Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
Loop bandwidth = 20 kHz; reference = 250 MHz; VCO = Vari-L Company, Inc., VCO190-1750T; evaluation board = EVAL-ADF4154EB1;
measurements taken with the Agilent E5500 phase noise measurement system.
Figure 5. Single-Sideband Phase Noise Plot (Lowest Noise Mode)
–100
–120
–130
–140
–150
–160
–170
–100
–120
–130
–140
–150
–160
–170
–100
–120
–130
–140
–150
–160
–170
–110
–110
Figure 7. Single-Sideband Phase Noise Plot (Lowest Spur Mode)
–110
–30
–40
–50
–60
–70
–80
–90
–30
–40
–50
–60
–70
–80
–90
–30
–40
–50
–60
–70
–80
–90
1k
1k
1k
20kHz LOOP BW, LOW NOISE AND SPUR MODE
RF = 1.7202MHz, PFD = 25MHz, N = 68,
FRAC = 101, MOD = 125, I
INTEGRATED PHASE ERROR = 0.33° rms
SIRENZA 1750T VCO
20kHz LOOP BW, LOW SPUR MODE
RF = 1.7202MHz, PFD = 25MHz, N = 68,
FRAC = 101, MOD = 125, I
INTEGRATED PHASE ERROR = 0.36° rms
SIRENZA 1750T VCO
20kHz LOOP BW, LOW NOISE MODE
RF = 1.7202MHz, PFD = 25MHz, N = 68,
FRAC = 101, MOD = 125, I
INTEGRATED PHASE ERROR = 0.23° rms
SIRENZA 1750T VCO
Figure 6. Single-Sideband Phase Noise Plot
(Low Noise Mode and Spur Mode)
10k
10k
10k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
100k
100k
100k
CP
CP
CP
= 625µA, DSB
= 625µA, DSB
= 625µA, DSB
1M
1M
1M
10M
10M
10M
100M
100M
100M
Rev. A | Page 7 of 24
–130
–140
–150
–160
–170
Figure 8. PFD Noise Floor vs. PFD Frequency (Lowest Noise Mode)
–10
–15
–20
–25
–30
–35
–5
–1
–2
–3
–4
–5
–6
100
5
0
6
5
4
3
2
1
0
0
0
Figure 10. Charge Pump Output Characteristics
0.5
PHASE DETECTOR FREQUENCY (kHz)
1
1.0
Figure 9. RF Input Sensitivity
1000
1.5
FREQUENCY (GHz)
2
2.0
V
CP
(V)
2.5
3
P = 4/5
10000
3.0
P = 8/9
3.5
4
ADF4154
4.0
100000
4.5
5