参数资料
型号: AD8339ACPZ
厂商: ANALOG DEVICES INC
元件分类: 调制器/解调器
英文描述: 0 MHz - 50 MHz RF/MICROWAVE I/Q DEMODULATOR
封装: 6 X 6 MM, ROHS COMPLIANT, MO-220-VJJD-2, LFCSP-40
文件页数: 35/36页
文件大小: 2970K
代理商: AD8339ACPZ
AD8339
Rev. A | Page 8 of
36
TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±5 V, TA = 25°C, 4fLO = 20 MHz, fLO = 5 MHz, fRF = 5.01 MHz, fBB = 10 kHz, 4fLO LVDS drive; per channel performance shown is
typical of all channels, differential voltages, dBm (50 Ω), phase select code = 0000, unless otherwise noted (see Figure 42).
1.5
0.5
0
1.0
–1.5
–0.5
–1.0
–2.0
–1.5
1.5
–1.0
1.0
–0.5
0
0.5
2.0
0
658
7-
0
08
REAL (Normalized)
IM
A
GIN
A
R
Y
(
N
o
rm
aliz
ed
)
f = 1MHz
CODE 1000
CODE 1100
CODE 0100
CODE 0011
I
Q
CODE 0010
CODE 0000
CODE 0001
Figure 9. Normalized Vector Plot of Phase, Ch 2, Ch 3, and Ch 4 vs. Ch 1;
Ch 1 Fixed at 0°; Ch 2, Ch 3, and Ch 4 Stepped 22.5°/Step; All Codes Displayed
360
0
0000
1111
06
58
7-
00
9
CODE (Binary)
P
HAS
E
DE
L
A
Y
(D
eg
rees)
315
270
225
180
135
90
45
0010
0100
0110
1000
1010
1100
1110
5MHz
1MHz
Figure 10. Representative Phase Delay vs. Binary Phase Select Code
at 1 MHz and 5 MHz; Ch 3 and Ch 4 Are Displayed with Respect to Ch 1
1.0
–1.0
0000
1111
06
58
7-
01
0
CODE (Binary)
A
M
P
L
IT
UDE
E
RRO
R
(
d
B)
0010
0100
0110
1000
1010
1100
1110
0.5
0
–0.5
–1.0
1.0
0.5
0
–0.5
f = 1MHz
f = 5MHz
CHANNEL 3
CHANNEL 4
CHANNEL 3
CHANNEL 4
Figure 11. Representative Amplitude Error vs. Binary Phase Select Code
at 1 MHz and 5 MHz; Ch 3 and Ch 4 Are Displayed with Respect to Ch 1
2
–2
0000
1111
06
58
7-
0
1
CODE (Binary)
P
H
A
S
E
R
RO
R
(
D
eg
rees)
0010
0100
0110
1000
1010
1100
1110
1
0
–1
–2
2
1
0
–1
f = 1MHz
f = 5MHz
CHANNEL 3
CHANNEL 4
CHANNEL 3
CHANNEL 4
Figure 12. Representative Phase Error vs. Binary Phase Select Code
at 1 MHz and 5 MHz; Ch 3 and Ch 4 Are Displayed with Respect to Ch 1
06
58
7-
01
2
2
1
20.0s/DIV
2.5MS/s
400ns/PT
A C2
30.0mV
R1 500mV 20s
R2 500mV 20s
C2 500mV
C4 500mV
Figure 13. Representative Phase Delays of the I or Q Outputs;
Ch 2 Is Displayed with Respect to Ch 1, for Delays of 22.5°, 45°, 67.5°, and 90°
1
0
–3
–2
–1
1M
50M
10M
06
58
7-
01
3
RF FREQUENCY (Hz)
C
O
N
VER
SI
O
N
G
A
IN
(d
B
)
I OUTPUT OF CHANNEL 1 SHOWN
CODE 0000
CODE 0001
CODE 0011
CODE 0010
Figure 14. Conversion Gain vs. RF Frequency, First Quadrant,
Baseband Frequency = 10 kHz
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