LT5511EFE#TR Linear Technology, LT5511EFE#TR Datasheet

IC UPCONV MIXER HI-SIGNAL16TSSOP

LT5511EFE#TR

Manufacturer Part Number
LT5511EFE#TR
Description
IC UPCONV MIXER HI-SIGNAL16TSSOP
Manufacturer
Linear Technology
Series
LT5511r
Datasheet

Specifications of LT5511EFE#TR

Rf Type
CATV
Frequency
10MHz ~ 3GHz
Number Of Mixers
1
Gain
0dB
Noise Figure
15dB
Secondary Attributes
Up Converter
Current - Supply
65mA
Voltage - Supply
4 V ~ 5.25 V
Package / Case
16-TSSOP (0.173", 4.40mm Width) Exposed pad
Output Frequency
300MHz
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
LT5511EFETR

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FEATURES
TYPICAL APPLICATIO
APPLICATIO S
MOD
Wide RF Output Frequency Range to 3000MHz
Broadband RF and IF Operation
+17dBm Typical Input IP3 (at 950MHz)
+6dBm IF Input for 1dB RF Output Compression
Integrated LO Buffer: –10dBm Drive Level
Single-Ended or Differential LO Input
Double-Balanced Mixer
Enable Function
Single 4.0V – 5.25V Supply Voltage Range
16-Pin TSSOP Exposed Pad Package
CATV Downlink Infrastructure
Wireless Infrastructure
High Linearity Mixer Applications
44MHz
Figure 1. High Signal Level Upmixer for CATV Downlink Infrastructure.
ENABLE
U
LO INPUT
–10dBm
994MHz
LT5511
IF
IF
+
LO
EN
+
BIAS
U
V
CC
BIAS
LO
V CC LO
GND
RF
RF
+
5511 F01a
DESCRIPTIO
The LT
requirements of cable TV infrastructure downstream trans-
mitters and wireless infrastructure transmit systems. The
IC includes a differential LO buffer amplifier driving a
double-balanced mixer. The LO, RF and IF ports can be
easily matched to a broad range of frequencies for differ-
ent applications. The high performance capability of the
LO buffer allows the use of a single-ended source, thus
eliminating the need for an LO balun.
The LT5511 mixer delivers +17dBm typical input 3rd
order intercept point at 950MHz, and +15.5dBm IIP3 at
1900MHz, with IF input signal levels of – 5dBm. The input
1dB compression point is typically +6dBm.
950MHz
, LTC and LT are registered trademarks of Linear Technology Corporation.
V
5V
CC
®
5511 mixer is designed to meet the high linearity
TO
DOWNMIXER
Upconverting Mixer
U
High Signal Level
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
0
–20
vs Input Power (Two Input Tones)
and 3rd Order Intermodulation
–15
IF INPUT POWER (dBm/TONE)
RF Output Power
P
OUT
–10
IM3
LT5511
–5
P
f
f
T
RF1
RF2
LO
A
= 25 C
= –10dBm
= 950MHz
= 949MHz
0
5511 F01b
1
5511i
5

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LT5511EFE#TR Summary of contents

Page 1

... LO balun. The LT5511 mixer delivers +17dBm typical input 3rd order intercept point at 950MHz, and +15.5dBm IIP3 at 1900MHz, with IF input signal levels of – 5dBm. The input 1dB compression point is typically +6dBm. , LTC and LT are registered trademarks of Linear Technology Corporation ...

Page 2

LT5511 ABSOLUTE AXI U RATI GS (Note 1) Supply Voltage ....................................................... 5.5V Enable Voltage ................................ –0. Input Power (Differential) .............................. 10dBm IF Input Power (Differential) ............................... 10dBm + – Currents ...

Page 3

ELECTRICAL CHARACTERISTICS PARAMETER 1.9GHz Application: (Test Circuit Shown in Figure Output Measured at 1900MHz, unless otherwise noted. (Notes Input Return Loss LO Input Power LO Input Return Loss RF Output Return Loss Conversion Gain ...

Page 4

LT5511 W U TYPICAL PERFOR A CE CHARACTERISTICS High , Input = 50MHz at –5dBm, LO Input = 1GHz at –10dBm, RF Output Measured at 950MHz, unless CC DC ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS High , Input = 50MHz at –5dBm, LO Input = 1GHz at –10dBm, RF Output Measured at 950MHz, unless ...

Page 6

LT5511 W U TYPICAL PERFOR A CE CHARACTERISTICS High , ºC, IF Input = 50MHz at –5dBm, LO Input = 1.95GHz at –10dBm. RF Output Measured at 1900MHz ...

Page 7

W U TYPICAL PERFOR A CE CHARACTERISTICS Table 1. Typical S-Parameters for the IF, RF and LO Ports (referenced For each Port Measurement, the other Ports are Terminated as Shown in Figure 2. Frequency Differential IF ...

Page 8

LT5511 CTIO S – (Pins 1, 16): Differential Inputs for the Local Oscillator Signal. They can also be driven single-ended by connecting one ground through a DC blocking ...

Page 9

TEST CIRCUIT C10 C13 V CC Component C1, C9, C11, C15 C5, C7, C17 C4 C8 C10, C12, C13 C14 L1 R2 Figure 2. Test ...

Page 10

LT5511 TEST CIRCUIT C10 C11 5 1 C13 C17 Component C1, C9, C11, C15 C5, C7, C17 C4 C8 C10, C12, C13 R2, R3 ...

Page 11

U U APPLICATIO S I FOR ATIO The LT5511 consists of a double-balanced mixer driven by a high-performance, differential, limiting LO buffer. The mixer has been optimized for high linearity and high signal level operation. The LT5511 is intended for ...

Page 12

LT5511 U U APPLICATIO S I FOR ATIO On the evaluation board (Figure 4), 1nF DC-blocking capacitors are used on the IF input pins. A 220pF capacitor on the 50 source side of the input balun is used to tune ...

Page 13

U U APPLICATIO S I FOR ATIO 10dB PAD LO SIGNAL GENERATOR 3 RF SIGNAL GENERATOR 1 RF SIGNAL GENERATOR SPECTRUM ANALYZER RF OUT GND LT5511 SW1 IF IN ...

Page 14

LT5511 U TYPICAL APPLICATIO S C10 ( C13 L7 – Component C1, C9 C5, C7, C18 C4 C2 C10, C12, C13 C11 L1 L6 Transmission ...

Page 15

... RF OUTPUT FREQUENCY (MHz) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. –8 –13 – ...

Page 16

... BSC 1.10 (.0433) MAX 0.05 – 0.15 (.002 – .006) 0.195 – 0.30 FE16 (BA) TSSOP 0203 (.0077 – .0118) LT/TP 0503 1K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2001 5511f ...

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