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RF2860
Rev A9 DS050902
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
LNA Performance versus Current (As a function of ISET1 Resistance)
Mixer Performance versus Current (As a function of ISET2 Resistance)
Evaluation Board Current Measurement
Gain (dB)
IIP3 (dBm)
Noise Figure (dB)
ISET1 Resistance (k
Ω)
Current (mA)
15.6
7.3
1.4
36
4.6
15.7
9.7
1.4
33
4.9
15.9
16.8
1.4
30
5.4
16.1
12.3
1.4
27
6.1
16.2
10.6
1.4
24
6.7
16.4
9.6
1.4
22
7.3
16.4
9.4
1.4
20
7.9
Gain (dB)
IIP3 (dBm)
Noise Figure (dB)
ISET2 Resistance (k
Ω)
Current (mA)
14.2
4.0
6.7
6.8
25.6
14.2
3.7
6.6
7.5
24.6
14.1
3.5
6.5
8.3
23.9
14.0
2.9
6.4
9.1
22.8
13.8
2.6
6.4
10.0
22.2
13.8
2.4
6.3
11.0
21.8
13.5
1.8
6.3
12.0
20.7
ENABLE
LNA
GAIN
TX BUFF
ENAB
IDC
(mA)
US PCS Band
Korean PCS Band
LNA On, TX Buffer Off
1
1
0
27.5
LNA Bypassed, TX Buffer Off
1
0
0
21.0
GPS Band
LNA On, TX Buffer Off
1
1
0
24.5
LNA Bypassed, TX Buffer Off
1
0
0
18.5
IMT-2000 Band
LNA On, TX Buffer Off
1
1
0
24.5
LNA Bypassed, TX Buffer Off
1
0
0
18.5
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.
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