SE2425U
RangeCharger
TM
2.4 GHz Bluetooth Power Amplifier IC
Preliminary Information
Harmonic Performance
Test Conditions: V
EN
= V
CC0
= V
CC1
= V
CC2
= V
CC3
= 3.3 V, T
C
= 25
°C,
f = 2.45 GHz, as measured on SiGe’s
SE2425U-EV1 evaluation board otherwise noted
2nd Harmonics vs. Output Power over Mode
(25 C, 3.3 V, 2.45 Ghz)
Low Mode
-30
-35
Harmonic Level (dBc)
-40
-45
-50
-55
-60
-65
15
16
17
18
19
20
21
22
23
24
25
Harmonic Level (dBc)
3rd Harmonics vs. Output Power over Mode
(25 C, 3.3 V, 2.45 GHz)
Low Mode
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
15
16
17
18
19
20
21
22
23
24
25
High Mode
High Mode
Output Pow er (dBm )
Output Pow er (dBm )
Figure 9: Typical Harmonic Performance Data in Low and High Mode (a) 2
nd
Harmonic Performance in Low
and High Mode (b) 3
rd
Harmonic Performance in Low and High Mode
165-DST-01
Rev 1.3
Apr-05-2006
Confidential
QA040506
7 of 10
SIGE [ SIGE SEMICONDUCTOR, INC. ]
