參數(shù)資料
型號(hào)： ADA-4643-TR2G
元件分類： 放大器
英文描述： 0 MHz - 2500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
封裝： LEAD FREE, PLASTIC, SC-70, SOT-343, 4 PIN
文件頁(yè)數(shù)： 1/10頁(yè)
文件大?。?/td> 101K
代理商： ADA-4643-TR2G
ADA-4643
Silicon Bipolar Darlington Amplifier
Data Sheet
Description
Avago Technologies’ ADA-4643 is an economical,
easy-to-use, general purpose silicon bipolar RFIC gain
block amplifiers housed in a 4-lead SC-70 (SOT-343)
surface mount plastic package which requires only
half the board space of a SOT-143 package.
The Darlington feedback structure provides inherent
broad bandwidth performance, resulting in useful
operating frequency up to 2.5 GHz. This is an ideal device
for small-signal gain cascades or IF amplification.
ADA-4643 is fabricated using Avago’s HP25 silicon
bipolar process, which employs a double-diffused
single polysilicon process with self-aligned submicron
emitter geometry. The process is capable of simulta-
neous high fT and high NPN breakdown (25 GHz fT at
6V BVCEO). The process utilizes industry standard
device oxide isolation technologies and submicron
aluminum multilayer interconnect to achieve superior
performance, high uniformity, and proven reliability.
Features
Small Signal gain amplifier
Operating frequency DC – 2.5 GHz
Unconditionally stable
50 Ohms input & output
Flat, Broadband Frequency Response up to 1 GHz
Operating Current: 20 to 60 mA
Industry standard SOT-343 package
Lead-free option available
Specifications
900 MHz, 3.5V, 35 mA (typ.)
17 dB associated gain
13.4 dBm P1dB
28.3 dBm OIP3
4 dB noise figure
VSWR < 2.2 throughput operating frequency
Single supply, typical Id = 35 mA
Applications
Cellular/PCS/WLL base stations
Wireless data/WLAN
Fiber-optic systems
ISM
Attention:
Observe precautions for handling electrostatic
sensitive devices.
ESD Machine Model (Class A)
ESD Human Body Model (Class 1B)
Refer to Avago Application Note A004R: Electrostatic Discharge
Damage and Control.
Surface Mount Package
SOT-343
Pin Connections and Package Marking
RFin
2Tx
GND
RFout
& Vd
GND
Note:
Top View. Package marking provides orientation and identification.
“2T” = Device Code
“x” = Date code character identifies month of manufacture.
C block
C bypass
Rc
V
CC = 5 V
Vd = 3.5 V
RFC
RF
input
RF
output
2Tx
Rc =
Vcc - Vd
Id
Typical Biasing Configuration
相關(guān)PDF資料
PDF描述
ADA-4743-BLK 0 MHz - 2500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
ADA-4743-TR1 0 MHz - 2500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
ADA-4743-TR2 0 MHz - 2500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
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