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參數(shù)資料
| 型號(hào)： | RF2890 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | DUAL-BAND CDMA CELLULAR/GPS LOW NOISE AMPLIFIER/MIXER |
| 中文描述： | 800 MHz - 900 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-24 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大小： | 183K |
| 代理商： | RF2890 |
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8-411
RF2890
Rev A4 040421
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
GPS Band
LNA (High Gain)
Gain
Noise Figure
Input IP3
Current
Isolation
Freq=1575.42MHz
LNA 50
match
15.0
16.5
1.4
+6.0
7.0
20
18.0
1.7
dB
dB
dBm
mA
dB
+3.5
Mixer
LO IN=-4dBm
See note 1.
Gain
Noise Figure
Input IP3
Current
LO Frequency Range
IF Frequency Range
GPS Mode
Total Current
Control Lines
Input Capacitance
16.0
17.5
7.0
-3.0
8.0
19.0
7.5
dB
dB
dBm
mA
MHz
MHz
-5.5
Mixer/LO Input Amps
Low Side LO Injection
Typical IF frequency: 183.6MHz
1300
125
1450
275
183.6
15.5
20.0
mA
1
pF
BAND SEL, VG1, VG2, ENABLE, DIV SEL,
TX BUFF ENAB
Local Oscillator Input
Cellular - CDMA/FM/JCDMA
Input Power
GPS
Input Power
TX (Local Oscillator)
Buffer
Cellular - CDMA/FM/JCDMA
Output Power
Output Frequency
Current Consumption
NOTE 1. Mixer performance can be changed with external IF load/tuning.
NOTE 2. Specifications apply for conditions of LO Divider enabled or disabled.
NOTE 3. Mixer performance applies to both high and low side LO injection.
-10
-4
0
dBm
-10
-4
0
dBm
-7.0
600
-4.5
-2.0
1078
dBm
MHz
mA
Single-ended 50
load
See note 3. High and Low Side LO Injection.
2
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