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RF2861PCBA-410 Datasheet(PDF) 5 Page - RF Micro Devices

Part # RF2861PCBA-410
Description  CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER
Download  14 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF2861PCBA-410 Datasheet(HTML) 5 Page - RF Micro Devices

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8-5
RF2861
Rev A2 040107
Gain Control Logic Table
Cell Band Cascaded Performance High Mixer Gain Nominal IIP3 (Typical Values for VCC=2.75V)
NOTE: All total current numbers include bias circuitry current of 1.5mA to 2.0mA (dependent on mode).
Cell Band Cascaded Performance Nominal Mixer Gain High IIP3 (Typical Values for VCC=2.75V)
CDMA450 Band Cascaded Performance (Typical Values for VCC=2.75V)
Gain State
ENABLE
G1
G2
High Gain
1
0
0
Mid Gain
110
Low Gain
111
Low Gain (alternate)
1
0
1
NOTES: All IDC current numbers include bias circuitry current of 1.5mA to 2.0mA (dependent on mode).
TX Buffer On: Add 2mA to total current.
Parameter
CELL CDMA
LNA (High Gain)
LNA (Mid Gain)
LNA (Low Gain)
Cascaded:
Gain (dB)
25.0
16.5
8.0
Noise Figure (dB)
2.1
6.3
12.5
Input IP3 (dBm)
-5.6
+2.0
+11.4
Total Current (mA)
25.0
21.5
18.0
NOTE: Assumes 2.5dB image filter insertion loss. The TX Buffer is off.
Parameter
CELL CDMA
LNA (High Gain)
LNA (Mid Gain)
LNA (Low Gain)
Cascaded:
Gain (dB)
22.5
14.0
5.5
Noise Figure (dB)
2.1
6.3
12.5
Input IP3 (dBm)
-3.7
+3.5
+13.3
Total Current (mA)
25.0
21.5
18.0
NOTE: Assumes 2.5dB image filter insertion loss. The TX Buffer is off.
Parameter
CDMA450
LNA (High Gain)
LNA (Mid Gain)
LNA (Low Gain)
Cascaded:
Gain (dB)
24.5
12.0
5.5
Noise Figure (dB)
2.2
8.5
14.0
Input IP3 (dBm)
-7.6
+4.5
+11.3
Total Current (mA)
29.5
25
21
NOTE: Assumes 2.5dB image filter insertion loss. The TX Buffer is off.


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