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SA1920 PDF даташит

Спецификация SA1920 изготовлена ​​​​«Philips» и имеет функцию, называемую «Dual-band RF front-end».

Детали детали

Номер произв SA1920
Описание Dual-band RF front-end
Производители Philips
логотип Philips логотип 

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SA1920 Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
SA1920
Dual-band RF front-end
Product specification
Supersedes data of 1998 Apr 07
IC17 Data Handbook
Philips
Semiconductors
1999 Mar 02









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SA1920 Даташит, Описание, Даташиты
Philips Semiconductors
Dual-band RF front-end
Product specification
SA1920
DESCRIPTION
The SA1920 is an integrated dual-band RF front-end that operates
at both cellular (AMPS, GSM and TDMA) and PCS/DCS (TDMA and
GSM) frequencies, and is designed in a 13 GHz fT BiCMOS
process—QUBiC1. The low-band is a combined low-noise amplifier
(LNA) and mixer. The LNA has a 1.7 dB noise figure at 881 MHz
with 17.5 dB of gain and an IIP3 of –5 dBm. The wide-dynamic
range mixer has a 10 dB noise figure at 881 MHz with 9.5 dB of gain
and an IIP3 of +5 dBm.
The high-band contains a receiver front-end, doubler and a high
frequency transmit mixer intended for closed loop transmitters. One
advantage of the high-band architecture is an image-rejection mixer
with over 30 dB of image rejection; thus, eliminating external filter
cost while saving board space. The system noise figure is 4.2 dB at
1960 MHz with a power gain of 23.5 dB and an IIP3 of –12.5 dB.
PIN CONFIGURATION
FEATURES
Low current consumption
Outstanding low- and high-band noise figure
Excellent gain stability versus temperature and supply
Image reject high-band mixer with over 30 dB of rejection
Increased low-band LNA gain compression during analog
transmission
LO input and output buffers
Frequency doubler
On chip logic for network selection and power down
Very small outline package
APPLICATIONS
800 to 1000 MHz analog and digital receivers
1800 to 2000 MHz digital receivers
Portable radios
Digital mobile communications equipment
24 23 22 21 20 19 18 17 16 15 14 13
VCC 25
Tx ON 26
V CC 27
HIGH BAND IMAGE SET I 28
GND 29
HIGH BAND LO INPUT 30
LOW BAND LO INPUT 31
GND 32
HIGH BAND IMAGE SET Q 33
GND 34
X2 ON 35
N/C 36
37 38 39 40 41 42 43 44 45 46 47 48
12 N/C
11 GND
10 Tx B
9 Tx A
8 GND
7 VCC
6 GND
5 MIX IN
4 GND
3 Tx IF B
2 Tx IF A
1 N/C
ORDERING INFORMATION
TYPE NUMBER
NAME
SA1920
LQFP48
1999 Mar 02
Figure 1. Pin Configuration
SR01435
PACKAGE
DESCRIPTION
Plastic low profile quad flat package; 48 leads; body 7x7x1.4 mm
VERSION
SOT313-2
2 853–2057 20918









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SA1920 Даташит, Описание, Даташиты
Philips Semiconductors
Dual-band RF front-end
Product specification
SA1920
PIN DESCRIPTIONS
PIN
NO.
PIN NAME
1 N/C
2 Tx IF A
3 Tx IF B
4 GND
5 MIX IN
6 GND
7 VCC
8 GND
9 Tx A
10 Tx B
11 GND
12 N/C
13 HI/LO
14 SYN ON
15 HIGH BAND IF A
16 HIGH BAND IF B
17 LOW BAND IF A
18 LOW BAND IF B
19 GND
20 HIGH BAND LO A
21 HIGH BAND LO B
22 LOW BAND LO A
23 LOW BAND LO B
24 Rx ON
25 VCC
26 Tx ON
27 VCC
28 HIGH BAND IMAGE SET I
29 GND
30 HIGH BAND LO INPUT
31 LOW BAND LO INPUT
32 GND
33 HIGH BAND IMAGE SET Q
34 GND
35 X2 ON
36 N/C
37 N/C
38 STRONG SIGNAL
39 GND
40 VCC
41 GND
42 HIGH BAND LNA IN
43 LOW BAND LNA IN
44 GND
45 LOW BAND LNA OUT
46 GND
47 GND
48 N/C
No Connection
Transmit IF A
Transmit IF B
Ground
Low Band Mixer Input
Ground
VCC
Ground
Transmit Signal A
Transmit Signal B
Ground
No Connection
High Band/Low Band Control
LO Buffer Power Control
High Band IF A
High Band IF B
Low Band IF A
Low Band IF B
Ground
High Band LO Output
High Band LO Output
Low Band LO Output
Low Band LO Output
LNA/Mixer Power Control
VCC
Tx Mixer/Driver Power
VCC
High Band Image Set I
Ground
High Band LO Connection
Low Band LO Connection
Ground
High Band Image Set Q
Ground
Freq. Doubler Power Control
No Connection
No Connection
Strong Signal Detection
Ground
VCC
Ground
High Band LNA Input
Low Band LNA Input
Ground
Low Band LNA Output
Ground
Ground
No Connection
DESCRIPTION
1999 Mar 02
3










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