
Preliminary
8-38
RF2489
Rev A10 011017
8
Evaluation Board Current Measurement
NOTES:
All IDC current numbers include bias circuitry current of 3.5 mA (dependent on mode).
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