AD9515/PCB Analog Devices Inc, AD9515/PCB Datasheet - Page 27

• Manufacturer Part Number: AD9515/PCB
• Description: BOARD EVAL CLOCK 2CHAN 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9515/PCB

• Design Resources: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PHASE NOISE AND JITTER MEASUREMENT SETUPS
OSCILLATOR
ZESC-2-11
SPLITTER
WENZEL
OSCILLATOR
WENZEL
t
J_RMS
0°
where:
t
SNR is the signal-to-noise ratio.
SND is the source noise density in nV/√Hz.
BW is the SND filter bandwidth.
V
f
The θ terms are the quantization, thermal, and DNL errors.
A
j_RMS
A
is the analog frequency.
=
is the analog source voltage.
is the rms time jitter.
⎡
⎢
⎢
⎣
V
10
A_RMS
EVALUATION BOARD
EVALUATION BOARD
SNR
20
EVALUATION BOARD
Figure 41. Additive Phase Noise Measurement Configuration
⎤
⎥
⎥
⎦
Figure 42. Jitter Determination by Measuring SNR of ADC
2
−
(
SND
TERM
TERM
TERM
TERM
×
TERM
TERM
Rev. 0 | Page 27 of 28
BW
[
2π
) (
2
×
ZFL1000VH2
+28dB
ZFL1000VH2
+28dB
AMP
AMP
−
f
A
θ
CLK
DATA CAPTURE CARD
×
QUANTIZATI
V
OSCILLATOR
A_PK
WENZEL
ADC
FIFO
ATTENUATOR
ATTENUATOR
]
–12dB
2
–7dB
ANALOG
SOURCE
ON
2
+
VARIABLE DELAY
COLBY PDL30A
θ
0.01ns STEP
THERMAL
TO 10ns
2
FFT
PC
+
θ
DNL
SIG IN
REF IN
2
t
)
J_RMS
SNR
AD9515