參數(shù)資料
型號: RF2489
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC32
封裝: 5 X 5 MM, ROHS COMPLIANT, PLASTIC, QFN-32
文件頁數(shù): 7/16頁
文件大?。?/td> 490K
代理商: RF2489
Preliminary
8-39
RF2489
Rev A10 011017
8
F
Casc aded Performanc e (T ypic al Values for V
CC
= 2.75 V )
NOTE:
All total current numbers include bias circuitry current of 1.5mA to 2.0mA (dependent on mode).
Parameter
CELL CDMA
LNA ON
Mixer Preamp On
Cascaded:
Gain (dB)
24.5
Noise Figure (dB)
2.2
Input IP3 (dBm)
-6.6
LNA OFF
LNA ON
LNA OFF
Mixer Preamp Off
5.5
15.0
+12.3
15.0
5.1
+1.9
-4.0
22.0
+19.5
LO to IF Isolation (dB)
IF1 to RF Isolation (dB)
IF2 to RF Isolation (dB)
LO to LNA IN Isolation (dB)
Total Current (mA)
NOTE: Assumes 3dB image filter insertion loss. The TX Buffer Enable is off. Div/2 function is off.
Numbers represent low current LNA bias setting IPSET=0.
30
40
40
40
27.5
30
40
40
40
23.0
30
40
40
40
23.0
30
40
40
40
18.5
Parameter
FM
LNA ON
LNA OFF
LNA ON
LNA OFF
Mixer Preamp On
Mixer Preamp Off
Cascaded:
Gain (dB)
Noise Figure (dB)
Input IP3 (dBm)
24.0
2.2
-6.1
5.0
15.0
+12.7
15.0
5.1
+2.7
-4.0
22.0
+20.8
LO to IF Isolation (dB)
IF1 to RF Isolation (dB)
IF2 to RF Isolation (dB)
LO to LNA IN Isolation (dB)
Total Current (mA)
NOTE: Assumes 3dB image filter insertion loss. The TX Buffer Enable is off. Div/2 function is off.
Numbers represent low current LNA bias setting IPSET=0.
30
40
40
40
27.5
30
40
40
40
23.0
30
40
40
40
23.0
30
40
40
40
18.5
Parameter
PCS CDMA
LNA ON
LNA OFF
LNA at Max IIP3, IPSET=1
Mixer Amp ON
LNA at Min IIP3, IPSET=0
Mixer Amp ON
Mixer Amp OFF
Mixer Amp OFF
Mixer Amp ON
Mixer Amp OFF
Cascaded:
Gain (dB)
Noise Figure (dB)
Input IP3 (dBm)
26.0
2.2
-9.0
17.0
4.7
-0.6
25.0
2.3
-8.5
15.5
5.2
-2.0
5.0
16.0
+11.8
-4.0
23.0
+19.8
LO to IF Isolation (dB)
IF1 to RF Isolation (dB)
IF2 to RF Isolation (dB)
LO to LNA IN Isolation (dB)
Total Current (mA)
NOTE: Assumes 3dB image filter insertion loss. The TX Buffer Enable is off. Div/2 function is off.
30
40
40
40
29.5
30
40
40
40
25.0
30
40
40
40
27.5
30
40
40
40
23.0
30
40
40
40
23.0
30
40
40
40
18.5
Parameter
GPS
Cascaded:
Gain (dB)
Noise Figure (dB)
Input IP3 (dBm)
Total Current (mA)
NOTE: Assumes 1.5dB image filter insertion loss.
The TX Buffer Enable is off. /2 Select is off.
34.5
1.6
-19
21
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