參數(shù)資料
型號(hào)： HFA3783IN
廠商： INTERSIL CORP
元件分類： 衰減器
英文描述： I/Q Modulator/Demodulator and Synthesizer
中文描述： 70 MHz - 600 MHz RF/MICROWAVE I/Q MODEM
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 1/34頁(yè)
文件大?。?/td> 608K
代理商： HFA3783IN
TM
1
File Number
4633.2
HFA3783
I/Q Modulator/Demodulator and
Synthesizer
The HFA3783 is a highly integrated and
fully differential SiGe baseband
converter for half duplex wireless
applications. It features all the
necessary blocks for quadrature
modulation and demodulation of “I” and “Q” baseband
signals.
It has an integrated AGC receive IF amplifier with frequency
response to 600MHz. The AGC has 70dB of voltage gain
and better than 70dB of gain control range. The transmit
output also features gain control with 70dB of range.
The receive and transmit IF paths can share a common
differential matching network to reduce the filter component
count required for single IF half duplex transceivers. A pair of
2nd order antialiasing filters with an integrated DC offset
cancellation architecture is included in the receive chain for
baseband operation down to DC. In addition, an IF level
detector is included in the AGC chain for threshold
comparison. Up and down conversion are performed by
doubly balanced mixers for “I” and “Q” IF processing. These
converters are driven by a broadband quadrature LO
generator with frequency of operation phase locked by an
internal 3 wire interface synthesizer and PLL.
The device operates at low LO levels from an external VCO
with a PLL reference signal up to 50MHz. The HFA3783 is
housed in a thin 48 lead LQFP package well suited for
PCMCIA board applications.
Features
Integrates All IF Transmit and Receive Functions
Broad Quadrature Frequency Range . . . . . .70 to 600MHz
600MHz AGC IF Strip with Level Detector . . . . . . . . .69dB
DC Coupled Baseband Interfaces
Integrates a Receiver DC Offset Calibration Loop
Integrated 3 Wire Interface PLL For LO Applications
Low LO Drive Level . . . . . . . . . . . . . . . . . . . . . . . -15dBm
Fast Transmit-Receive Switching . . . . . . . . . . . . . . . .<1
μ
s
Power Management/Standby Mode
Single Supply 2.7 to 3.3V Operation
Applications
IEEE802.11 1 and 2Mbps Standard
Systems Targeting IEEE 802.11 11Mbps Standard
Wireless Local Area Networks
PCMCIA Wireless Transceivers
ISM Systems
TDMA Packet Protocol Radios
Simplified Block Diagram
Ordering Information
PART
NUMBER
TEMP. RANGE
(
o
C)
PACKAGE
PKG. NO.
HFA3783IN
-40 to 85
48 Ld LQFP
Q48.7x7A
HFA3783IN96
-40 to 85
Tape and Reel
0
o
/90
o
PLL MODULE
∑
REF IN
IF 2X LO / VCO IN
CHARGE PUMP OUT
3 WIRE INTERFACE
BASEBAND TX I
BASEBAND TXQ
TRANSMIT IF AGC
BASEBAND RXI
BASEBAND RXQ
RECEIVE AGC
IF DETECTOR OUT
IF_IN
IF_OUT
OFFSET
CAL
CAL ENABLE
I
Q
Data Sheet
March 2000
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil and Design is a trademark of Intersil Corporation.
Copyright
Intersil Corporation 2000
PRISM is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HFA3783IN96 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:I/Q Modulator/Demodulator and Synthesizer
HFA3824 WAF 制造商:Harris Corporation 功能描述:
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HFA3824AIV 制造商:Rochester Electronics LLC 功能描述:BASEBAND PROCESSOR - Bulk
HFA3824AIV WAF 制造商:Harris Corporation 功能描述:
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