Datasheet

–6
–
AD9851–Typical Performance Characteristics
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0Hz
START
72MHz
STOP
7.2MHz/
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
2AP
TPC 1. Wideband (dc to 72 MHz) output SFDR for
a 1.1 MHz fundamental output signal. System
clock = 180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
2AP
0Hz
START
72MHz
STOP
7.2MHz/
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
TPC 2. Wideband (dc to 72 MHz) output SFDR for
a 40.1 MHz fundamental output signal. System
clock = 180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
2AP
0Hz
START
72MHz
STOP
7.2MHz/
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
TPC 3. Wideband (dc to 72 MHz) output SFDR for
a 70.1 MHz fundamental output signal. System
clock = 180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
2AP
1.1MHz
CENTER
200kHz
SPAN
20kHz/
RBW = 300Hz
VBW = 300Hz
SWT = 11.5s
RF ATT = 20dB
REF LVL = –7dBm
TPC 4. Narrowband (1.1 ± 0.1 MHz) output SFDR
for a 1.1 MHz fundamental output signal. System
clock =180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
2AP
40.1MHz
CENTER
200kHz
SPAN
20kHz/
RBW = 300Hz
VBW = 300Hz
SWT = 11.5s
RF ATT = 20dB
REF LVL = –7dBm
TPC 5. Narrowband (40.1 ± 0.1 MHz) output SFDR
for a 40.1 MHz fundamental output signal. System
clock = 180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
2AP
70.1MHz
CENTER
200kHz
SPAN
20kHz/
RBW = 300Hz
VBW = 300Hz
SWT = 11.5s
RF ATT = 20dB
REF LVL = –7dBm
TPC 6. Narrowband (70.1 ± 0.1 MHz) output SFDR
for a 70.1 MHz fundamental output signal. System
clock = 180 MHz (6

REFCLK multiplier engaged),
V
S
V
S
V
= 5 V.
S
= 5 V.
S
REV. D