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參數(shù)資料
| 型號： | SA910 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Variable gain RF predriver amplifier |
| 中文描述： | TELECOM, CELLULAR, RF FRONT END CIRCUIT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, SOT-266-1, SSOP-20 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 114K |
| 代理商： | SA910 |
Philips Semiconductors
Product specification
SA910
Variable gain RF predriver amplifier
2
1997 Aug 12
853–2021 18269
DESCRIPTION
The SA910 is a variable gain predriver amplifier designed for
handheld analog cellular telephones. When used with a UHF power
transistor, it forms a cost-effective, low-profile, surface mount power
amplifier solution (1.2W maximum PAE
>
50%). The SA910
integrates power detection and control circuitry that is stabilized over
temperature and voltage. In power down mode, the SA910 draws
less than 10
μ
A of current. The SA910 is fabricated using Philips
QUBiC BiCMOS process.
FEATURES
MMIC BiCMOS predriver amplifier
Low voltage 2.7 to 5.5V single supply operation
820 to 905MHz bandwidth
High power gain >20dB
High power output >23dBm (typical) @ 3V
Efficiency = 35% (typical)
Wide gain control range: >32dB
Few external components required
Integrated power detector and comparison gain control circuitry
50
input, open-collector output
SSOP-20 package
Integrated regulator with offset adjustment for biasing an external
output stage
PIN CONFIGURATION
V
CC1
V
REF
RF
IN
GND
BIAS
OUT
GND
GND
GND
OUTLPF
PWRUP
OFFSET
GND
GND
GND
V
C
GND
SR01067
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
19
18
17
16
15
V
CC
BIAS
RF
OUT2
RF
OUT1
P
SENSE
APPLICATIONS
900MHz analog cellular
Handheld transmitting equipment in the 820 to 905MHz frequency
range
Cordless phone
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