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LT5516EUF Datasheet

  • LT5516EUF

  • 800MHz to 1.5GHz Direct Conversion Quadrature Demodulator

  • 213.33KB

  • 13頁

  • LINER

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LT5516
800MHz to 1.5GHz Direct
Conversion Quadrature Demodulator
FEATURES
s
s
s
s
s
s
s
s
DESCRIPTIO
Frequency Range: 800MHz to 1.5GHz
High IIP3: 21.5dBm at 900MHz
High IIP2: 52dBm
Noise Figure: 12.8dB at 900MHz
Conversion Gain: 4.3dB at 900MHz
I/Q Gain Mismatch: 0.2dB
Shutdown Mode
16-Lead QFN 4mm
脳
4mm Package
with Exposed Pad
The LT
廬
5516 is an 800MHz to 1.5GHz direct conversion
quadrature demodulator optimized for high linearity re-
ceiver applications. It is suitable for communications
receivers where an RF or IF signal is directly converted into
I and Q baseband signals with bandwidth up to 260MHz.
The LT5516 incorporates balanced I and Q mixers, LO
buffer amplifiers and a precision, high frequency quadra-
ture generator.
In an RF receiver, the high linearity of the LT5516 provides
excellent spur-free dynamic range, even with fixed gain
front end amplification. This direct conversion receiver
can eliminate the need for intermediate frequency (IF)
signal processing, as well as the corresponding require-
ments for image filtering and IF filtering. Channel filtering
can be performed directly at the outputs of the I and Q
channels. These outputs can interface directly to channel-
select filters (LPFs) or to a baseband amplifier.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
Cellular/PCS/UMTS Infrastructure
High Linearity Direct Conversion I/Q Receiver
High Linearity I/Q Demodulator
TYPICAL APPLICATIO
BPF
LNA
BPF
5V
RF
+
V
CC
LT5516
I
OUT
+
LPF
VGA
0
P
OUT
, IM3 (dBm/TONE)
RF
鈥?/div>
+
0擄
I
OUT鈥?/div>
DSP
LO INPUT
LO
Q
OUT+
0擄/90擄
LO
鈥?/div>
ENABLE
EN
90擄
Q
OUT鈥?/div>
LPF
VGA
5516 F01
Figure 1. High Signal-Level I/Q Demodulator for Wireless Infrastructure
U
I/Q Output Power, IM3 vs
RF Input Power
20
P
OUT
鈥?0
鈥?0
IM3
鈥?0
鈥?0
鈥?00
鈥?8
V
CC
= 5v
T
A
= 25擄C
P
LO
= 鈥?0dBm
f
LO
= 901MHz
f
RF1
= 899.9MHz
f
RF2
= 900.1MHz
2
6
5516 TA01
U
U
鈥?4
鈥?0
鈥?
鈥?
RF INPUT POWER (dBm)
5516f
1

LT5516EUF 產(chǎn)品屬性

  • LT5516

  • 91

  • RF/IF 和 RFID

  • RF 解調(diào)器

  • -

  • 解調(diào)器

  • 800MHz ~ 1.5GHz

  • 800MHz ~ 1.5GHz

  • 6.6dBm

  • 4.3dB

  • 12.8dB

  • 150mA

  • 4 V ~ 5.25 V

  • 16-WQFN 裸露焊盤

  • 16-QFN（4x4）

  • 管件

LT5516EUF相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    Seoul Semiconductor [INFRARED LAMP LED]
    SEOUL
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER
  • 英文版
    1.8GHz to 2.7GHz Receiver Front End
    LINER [Lin...
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER [Lin...
  • 英文版
    400MHz Quadrature IF Demodulator with RSSI
    LINER
  • 英文版
    400MHz Quadrature IF Demodulator with RSSI
    LINER [Lin...
  • 英文版
    1.2GHz to 2.7GHz Direct IQ Modulator and Mixer
    LINER [Lin...
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER [Lin...
  • 英文版
    1.2GHz to 2.7GHz Direct IQ Modulator and Mixer
    LINER
  • 英文版
    1.2GHz to 2.7GHz Direct IQ Modulator and Mixer
    LINER [Lin...
  • 英文版
    1.2GHz to 2.7GHz Direct IQ Modulator and Mixer
    LINER [Lin...
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER [Lin...
  • 英文版
    800MHz to 2.7GHz RF Measuring Receiver
    LINER
  • 英文版
    800MHz to 2.7GHz RF Measuring Receiver
    LINER [Lin...
  • 英文版
    400MHz to 3.7GHz High Signal Level Downconverting Mixer
    LINER [Lin...
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER [Lin...
  • 英文版
    800MHz to 2.7GHz RF Measuring Receiver
    LINER [Lin...
  • 英文版
    40MHz to 500MHz Quadrature Demodulator with VGA
    LINER
  • 英文版
    40MHz to 900MHz Quadrature Demodulator
    LINER [Lin...
  • 英文版
    40MHz to 500MHz Quadrature Demodulator with VGA
    LINER [Lin...

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