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参数资料
| 型号： | MAX2045ETJ-T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | High-Gain Vector Multipliers |
| 中文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, QCC32 |
| 封装： | 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32 |
| 文件页数： | 6/22页 |
| 文件大小： | 999K |
| 代理商： | MAX2045ETJ-T |
M
High-Gain Vector Multipliers
6
_______________________________________________________________________________________
MAX2047 ELECTRICAL CHARACTERISTICS
(
Typical Operating Circuit
as shown in Figure 1; V
CC
= 4.75V to 5.25V, T
A
= -40
°
C to +85
°
C, R
BIAS
= 280
, f
IN
= 915MHz, input cur-
rent range = 0 to 4mA (if using a current-mode DAC), and differential input voltage range = 0 to 0.707V (if using a voltage-mode
DAC). If using a current-mode DAC, voltage mode I/Q inputs are left open. If using a voltage-mode DAC, all current-mode I/Q inputs
are left open. Typical values are at V
CC
= 5V and T
A
= +25
°
C, unless otherwise noted.) (Notes 1, 2, 3)
PARAMETER
CONDITIONS
MIN
790
TYP
MAX
1005
UNITS
MHz
dB
dB
Frequency Range
RF Input Return Loss
RF Output Return Loss
VOLTAGE MODE
-21.8
-11.7
VI = VQ = 0.707V
(radius = 1V)
VI = VQ = 0.5V
(radius = 0.707V)
VI = VQ = 0.25V
(radius = 0.35V)
VI = VQ = 0.125V
(radius = 0.175V)
8.4
5.1
-0.9
-6.3
Power Gain
dB
Power-Gain Range
Difference in gain between VI = VQ = 0.707V and
VI = VQ = 0.125V
14.7
dB
Reverse Isolation
Maximum Power Gain for
Continuous Coverage of Phase
Change
Over entire control range
-75
dB
0 to 360
°
(radius = 1V)
7.1
dB
Maximum Power Gain with
Reduced Phase Coverage
0 to 360
°
(radius = 1V)
8.4
dB
Group Delay
Gain Drift Over Temperature
VI = VQ = 0.707V (radius = 1V)
VI = VQ = 0.707V (radius = 1V)
2.02
-0.024
ns
dB/
°
C
GSM, f
IN
= 942.5MHz
±
62.5MHz
±
0.25
US cell, f
IN
= 881.5MHz
±
62.5MHz
±
0.13
JCDMA, f
IN
= 850MHz
±
60MHz
±
0.1
Gain Flatness Over Frequency
VI = VQ = 0.707V
(radius = 1V)
KDI/JDC/PDC, f
IN
= 820MHz
±
30MHz
±
0.1
dB
GSM, f
IN
= 942.5MHz
±
62.5MHz
±
0.9
US cell, f
IN
= 881.5MHz
±
62.5MHz
±
1.1
JCDMA, f
IN
= 850MHz
±
60MHz
±
1.2
Phase Flatness Over Frequency
E ectr cal d el ay r em oved ,
V = VQ = 0.707V
(radius
= 1V)
KDI/JDC/PDC, f
IN
= 820MHz
±
30MHz
±
0.3
Degrees
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