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參數(shù)資料
| 型號(hào)： | LMX2119 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1.9 GHz Power Amplifier |
| 中文描述： | 1.9 GHz功率放大器 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 122K |
| 代理商： | LMX2119 |
Absolute Maximum Ratings
Supply Voltage (V
DD
)
RF Input Power (P
IN
)
Storage Temperature (T
STG
)
ESD Rating (Note)
5.5V
6 mW
b
40
§
C to
a
150
§
C
k
2 keV
Note:
This device is a high performance RF integrated circuit with an ESD
Rating
k
2 keV, and is ESD sensitive. Handling and assembly of this
device should only be done at ESD workstations.
Recommended Operating
Conditions
Min
3.0
b
25
0
Typ
3.6
Max
4.6
a
65
a
4
Units
V
§
C
dBm
Supply Voltage, V
DD1
e
V
DD2
Operating Temperature (T
A
)
RF Input Power, P
IN
a
2
Electrical Characteristics
(The following specifications are guaranteed for V
DD1
e
V
DD2
e
3.6V, T
A
e
25
§
C, 50
X
system unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Value
Typ
Max
Unit
Frequency Range
1880
1900
MHz
P
OUT
Output Power
P
IN
e
1.0 mW–2.5 mW
25.5
26.5
27.5
dBm
Isolation
PA off (V
DD1
e
V
DD2
e
0V)
40
dB
Frequency Dependency P
IN
e
1.0 mW–2.5 mW
0.2
0.5
dB
I
DD
Current Consumption
P
OUT
e
450 mW, P
IN
e
1.6 mW
350
420
mA
Input VSWR, PA On
P
OUT
e
450 mW, P
IN
e
1.6 mW
1.6:1
2.0:1
Input VSWR, PA Off
V
DD1
e
V
DD2
e
0V, P
IN
e
1.6 mW
1.4:1
2.0:1
Load Mismatch (Note 1) V
DD1
e
V
DD2
e
4.6V, VSWR
e
10:1, P
IN
e
6 mW
No Degradation in Output Power
Stability (Note 2)
P
IN
e
0–3 mW, V
DD1,2
e
0–4.6V,
0 mW
k
P
OUT
k
450 mW,
Load VSWR
e
10:1
All Non-Harmonically Related Outputs
More Than 60 dB Below Desired Signal
Note 1:
The device is adjusted to provide maximum load power into a 50
X
load under stress conditions specified by adjusting V
DD1
. The device is switched off and
a 10:1 load replaces the 50
X
load. The device is switched on and the phase of the 10:1 load is varied through 360 electrical degrees during a 60 second test
period. The device is switched off and the load is restored to 50
X
. When the device is switched on, no change in load power is permitted. The pre and post load
power measurements are recorded after a 5 minute stabilization period. This parameter is not tested in production but is guaranteed by design and characteriza-
tion.
Note 2:
The device is adjusted to provide 400 mW of load power into a 50
X
load by changing and recording the value of the supply voltage. The device is switched
off and a 10:1 load replaces the 50
X
load. The device is switched on and the phase of the 10:1 load is varied through 360 electrical degrees during a 60 second
test period. The value of V
DD1
e
V
DD2
is adjusted from the initial value to a lower value greater than 0V. The phase of the 10:1 load is varied through 360 electrical
degrees during a 60 second test period. For any value of the supply voltage between 0V and the initial setting, the non-harmonically related output signals shall be
as specified herein for any electrical phase. This parameter is not tested in production but is guaranteed by design and characterization.
http://www.national.com
3
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