6 of 30
RF2489
Rev A21 DS070308
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Evaluation Board Current Measurement
NOTES:
All IDC current numbers include bias circuitry current of 3.5mA.
TX Buffer On: Add 2mA to total current.
/2 Select On: Add 2mA to total current.
“X” denotes setting does not impact current.
BAND
SEL
IF
SEL
ENABLE
LNA
GAIN
MIX
GAIN
IP
SET
TX BUFF
ENABLE
/2
SELECT
IDC
(mA)
CDMA Cellular
JCDMA
LNA On, Mixer Preamp On,
TX Buffer Off, /2 Off
00
1
1
10
0
0
27.5
LNA On, Mixer Preamp Off,
TX Buffer Off, /2 Off
00
1
1
00
0
0
23.0
LNA Bypassed, Mixer Preamp On,
TX Buffer Off, /2 Off
00
1
0
10
0
0
23.0
LNA Bypassed, Mixer Preamp Off,
TX Buffer Off, /2 Off
00
1
0
00
0
0
18.5
FM
LNA On, Mixer Preamp On,
TX Buffer Off, /2 Off
01
1
1
10
0
0
27.5
LNA On, Mixer Preamp Off,
TX Buffer Off, /2 Off
01
1
1
00
0
0
23.0
LNA Bypassed, Mixer Preamp On,
TX Buffer Off, /2 Off
01
1
0
10
0
0
23.0
LNA Bypassed, Mixer Preamp Off,
TX Buffer Off, /2 Off
01
1
0
00
0
0
18.5
CDMA PCS - High IIP3 LNA Mode
LNA On, Mixer Preamp On,
TX Buffer Off, /2 Off
10
1
1
11
0
0
29.5
LNA Off, Mixer Preamp Off,
TX Buffer Off, /2 Off
10
1
1
01
0
0
25.0
LNA Bypassed, Mixer Preamp On,
TX Buffer Off, /2 Off
10
1
0
11
0
0
23.0
LNA Bypassed, Mixer Preamp Off,
TX Buffer Off, /2 Off
10
1
0
01
0
0
18.5
GPS
LNA On, Mixer On
1
0
1
1
1
1
0
0
26.0
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