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Philips Semiconductors Product data
SA2411+20 dBm single chip linear amplifier for WLAN
2
2003 Feb 07
1. DESCRIPTION
The SA2411 is a linear power amplifier designed for WLAN application in the 2.4 GHz band. Together with the SA2400A the chips form a
complete 802.11b transceiver. The SA2411 is a Si power amplifier with integrated matching and power level detector.
2. FEATURES
• 75 Ω + 25j Ω differential inputs, internally matched
• 50 Ω single-ended output, internally matched
• 15 dB gain block
• Power detector
• Bias adjust pin
• 18% efficiency at 3 V
• RF matching for SA2400A
3. APPLICATIONS
• IEEE 802.11 and 802.11b radios
• Supports DSSS and CCK modulation
• Supports data rates: 1, 2, 5.5, and 11 Mbps
• 2.45 GHz ISM band wireless communication devices
Table 1. Ordering information
TYPE NUMBER
PACKAGE
TYPE
NUMBER
NAME DESCRIPTION VERSION
SA2411DH TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1
4. BLOCK DIAGRAM
SR02383
IN+
IN–
PA
OUTPUT
MATCH
ANT
DETECTOR
INPUT
MATCH
SA2411
V
DD
_DRIVER V
DD
_BIAS V
DD
_MAIN
Power-up power mode
Figure 1. Block diagram