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| 型號(hào)： | ADL5387ACPZ-WP1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 50 MHz to 2 GHz Quadrature Demodulator |
| 中文描述： | 50兆赫至2千兆赫正交解調(diào)器 |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大小： | 648K |
| 代理商： | ADL5387ACPZ-WP1 |
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50 MHz to 2 GHz
Quadrature Demodulator
ADL5387
FEATURES
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
Operating RF frequency
50 MHz to 2 GHz
LO input at 2 × f
LO
100 MHz to 4 GHz
Input IP3: 31 dBm @ 900 MHz
Input IP2: 62 dBm @ 900 MHz
Input P1dB: 13 dBm @ 900 MHz
Noise figure (NF)
12.0 dB @ 140 MHz
14.7 dB @ 900 MHz
Voltage conversion gain > 4 dB
Quadrature demodulation accuracy
Phase accuracy ~0.4°
Amplitude balance ~0.05 dB
Demodulation bandwidth ~240 MHz
Baseband I/Q drive 2 V p-p into 200 Ω
Single 5 V supply
APPLICATIONS
QAM/QPSK RF/IF demodulators
W-CDMA/CDMA/CDMA2000/GSM
Microwave point-to-(multi)point radios
Broadband wireless and WiMAX
Broadband CATVs
FUNCTIONAL BLOCK DIAGRAM
DIVIDE-BY-2
PHASE SPLITTER
1
24
CMRF CMRF RFIP
VPA
RFIN CMRF VPX
CML
COM
BIAS
VPL
VPL
VPL
VPB
VPB
QHI
QLO
IHI
ILO
LOIP LOIN
CML
CML
COM
23
22
21
20
19
7
8
9
10
11
12
2
3
4
5
6
18
17
16
15
14
13
0
Figure 1.
GENERAL DESCRIPTION
The ADL5387 is a broadband quadrature I/Q demodulator that
covers an RF/IF input frequency range from 50 MHz to 2 GHz.
With a NF = 13.2 dB, IP1dB = 12.7 dBm, and IIP3 = 32 dBm @
450 MHz, the ADL5387 demodulator offers outstanding dynamic
range suitable for the demanding infrastructure direct-conversion
requirements. The differential RF/IF inputs provide a well-
behaved broadband input impedance of 50 Ω and are best
driven from a 1:1 balun for optimum performance.
Ultrabroadband operation is achieved with a divide-by-2 method
for local oscillator (LO) quadrature generation. Over a wide
range of LO levels, excellent demodulation accuracy is
achieved with amplitude and phase balances ~0.05 dB and
~0.4°, respectively. The demodulated in-phase (I) and
quadrature (Q) differential outputs are fully buffered and
provide a voltage conversion gain of >4 dB. The buffered
baseband outputs are capable of driving a 2 V p-p differential
signal into 200 Ω.
The fully balanced design minimizes effects from second-order
distortion. The leakage from the LO port to the RF port is
<70 dBc. Differential dc-offsets at the I and Q outputs are
<10 mV. Both of these factors contribute to the excellent IIP2
specifications > 60 dBm.
The ADL5387 operates off a single 4.75 V to 5.25 V supply. The
supply current is adjustable with an external resistor from the
BIAS pin to ground.
The ADL5387 is fabricated using the Analog Devices, Inc.
advanced silicon-germanium bipolar process and is available in
a 24-lead exposed paddle LFCSP.
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| ADL5387-EVALZ | 功能描述:BOARD EVAL FOR ADL5387 RoHS:是 類別:RF/IF 和 RFID >> RF 評(píng)估和開(kāi)發(fā)套件，板 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關(guān)產(chǎn)品:- 已供物品:模塊 其它名稱:SER3796 |
| ADL5387-EVALZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz to 2 GHz Quadrature Demodulator |
| ADL5390 | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MHz to 6 GHz Broadband Quadrature Modulator |
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| ADL5390ACPZ-REEL7 | 功能描述:IC MULTIPLIER VECTOR 24LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 其它 IC 和模塊 系列:- 標(biāo)準(zhǔn)包裝:100 系列:* |
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