參數(shù)資料
型號(hào)： AD9865BCPZRL1
廠商： Analog Devices, Inc.
英文描述： Broadband Modem Mixed-Signal Front End
中文描述： 寬帶調(diào)制解調(diào)器混合信號(hào)前端
文件頁(yè)數(shù)： 18/48頁(yè)
文件大小： 1672K
代理商： AD9865BCPZRL1
AD9865
IAMP PATH TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = CLKVDD = DVDD = DRVDD = 3.3 V, f
OSCIN
= 50 MSPS, R
SET
= 1.58 k, 1:1 transformer coupled output (see Figure 64 and
Figure 65) into 50 load, half- or full-duplex interface, default power bias settings.
Rev. A | Page 18 of 48
0
FREQUENCY (MHz)
d
0
5
10
15
20
25
20
15
–60
–55
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
0
5
10
RBW = 2.3kHz
Figure 39. Dual-Tone Spectral Plot of IAMPN Output
(IAMP Settings of I = 12.5 mA, N = 4, G = 0,
2:1 Transformer into 75 Loader, VCM = 4.8 V)
0
FREQUENCY (MHz)
d
0
5
10
15
20
25
0
–80
–70
–60
–50
–40
–30
–20
–10
PAR = 11.4
RMS = 10.3dBm
Figure 40. Spectral Plot of 84-Carrier OFDM Test Vector Using IAMPN in
Current-Mode Configuration
(IAMP Settings of I = 10 mA, N = 4, G = 0; VCM = 4.8 V)
0
FREQUENCY (MHz)
d
0
5
10
15
20
25
0
–80
–70
–60
–50
–40
–30
–20
–10
PAR = 11.4
RMS = 10.4dBm
Figure 41. Spectral Plot of 84-Carrier OFDM Test Vector Using IAMP in
Voltage-Mode Configuration with AVDD = 5 V
(PBR951 Transistors, IAMP Settings of I = 6 mA, N = 2, G = 6)
0
VCM (V)
O
3.0
3.5
4.0
4.5
5.0
48
5MHz
10MHz
15MHz
20MHz
2.5MHz
30
46
44
42
40
38
36
34
32
Figure 42. IOUTN Third-Order Intercept vs. Common-Mode Voltage
(IAMP Settings of I = 12.5 mA, N = 4, G = 0, 2:1
Transformer into 75 Load)
0
VCM (V)
O
3.0
3.5
4.0
4.5
5.0
42
5MHz
10MHz
15MHz
20MHz
2.5MHz
30
40
38
36
34
32
Figure 43. IOUTG Third-Order Intercept vs. Common-Mode Voltage
(IAMP Settings of I = 4.25 mA, N = 0, G = 6,
2:1 Transformer into 75 Load)
0
FREQUENCY (MHz)
d
0
5
10
15
20
25
0
–80
–70
–60
–50
–40
–30
–20
–10
PAR = 11.4
RMS = 9.8dBm
RBW = 10kHz
Figure 44. Spectral Plot of 84-Carrier OFDM Test Vector Using IAMP in
Voltage-Mode Configuration with AVDD = 3.3 V
(PBR951 Transistors, IAMP Settings of I = 6 mA, N = 2, G = 6)
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