LTC5569
22
5569fb
LINEAR TECHNOLOGY CORPORATION 2011
LT 1114 REV B • PRINTED IN USA
For more information www.linear.com/LTC5569
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
Infrastructure
LTC559x 600MHz to 4.5GHz Dual Downconverting Mixer
Family
8.5dB Gain, 26.5dBm IIP3, 9.9dB NF, 3.3V/380mA Supply
LT5527 400MHz to 3.7GHz, 5V Downconverting Mixer 2.3dB Gain, 23.5dBm IIP3 and 12.5dB NF at 1900MHz, 5V/78mA Supply
LT5557 400MHz to 3.8GHz, 3.3V Downconverting Mixer 2.9dB Gain, 24.7dBm IIP3 and 11.7dB NF at 1950MHz, 3.3V/82mA Supply
LTC6400-X 300MHz Low Distortion IF Amp/ADC Driver Fixed Gain of 8dB, 14dB, 20dB and 26dB; >36dBm OIP3 at 300MHz, Differential I/O
LTC6416 2GHz 16-Bit ADC Buffer 40dBm OIP3 to 300MHz, Programmable Fast Recovery Output Clamping
LTC6412 31dB Linear Analog VGA 35dBm OIP3 at 240MHz, Continuous Gain Range –14dB to 17dB
LT5554 Ultralow Distort IF Digital VGA 48dBm OIP3 at 200MHz, 2dB to 18dB Gain Range, 0.125dB Gain Steps
LT5575 700MHz to 2.7GHz I/Q Demodulator 28dBm IIP3, 13dBm P1dB, 0.03dB I/Q Amplitude Match, 0.4° Phase Match
LT5578 400MHz to 2.7GHz Upconverting Mixer 27dBm OIP3 at 900MHz, 24.2dBm at 1.95GHz, Integrated RF Transformer
LT5579 1.5GHz to 3.8GHz Upconverting Mixer 27.3dBm OIP3 at 2.14GHz, NF = 9.9dB, 3.3V Supply, Single-Ended LO and RF Ports
LTC5588-1 200MHz to 6GHz I/Q Modulator 31dBm OIP3 at 2.14GHz, –160.6dBm/Hz Noise Floor
RF Power Detectors
LT5538 40MHz to 3.8GHz Log Detector ±0.8dB Accuracy Over Temperature, –72dBm Sensitivity, 75dB Dynamic Range
LT5581 6GHz Low Power RMS Detector 40dB Dynamic Range, ±1dB Accuracy Over Temperature, 1.5mA Supply Current
LTC5582 40MHz to 10GHz RMS Detector ±0.5dB Accuracy Over Temperature, ±0.2dB Linearity Error, 57dB Dynamic
LTC5583 Dual 6GHz RMS Power Detector Up to 60dB Dynamic Range, ±0.5dB Accuracy Over Temperature, >50dB Isolation
ADCs
LTC2208 16-Bit, 130Msps ADC 78dBFS Noise Floor, >83dB SFDR at 250MHz
LTC2285 Dual 14-Bit, 125Msps Low Power ADC 72.4dB SNR, 88dB SFDR, 790mW Power Consumption
LTC2268-14 Dual 14-Bit, 125Msps Serial Output ADC 73.1dB SNR, 88dB SFDR, 299mW Power Consumption
200Ω Differential Highpass IF Output Matching
(Element Values Shown for 190MHz IF)
RFA
RFB
ENA
ENB
10nF
8.2pF
10nF
8.2pF
2.7pF
RF
MAIN
8.2pF
3.3V
IFA
OUT
200Ω
10nF
3.9pF
LO
LO
3.3V
10nF
ENA
ENB
V
CCA
V
CCB
IFA
+
LTC5569
IFA
–
IFB
+
IFB
–
100nH
665Ω
100nH
100nH
100nH
2.7pF
RF
BIAS
RF
BIAS
LO
LO
RF
IFB
OUT
200Ω
665Ω
665Ω 665Ω
IF OUTPUT FREQUENCY (MHz)
160
6.5
VOLTAGE CONVERSION GAIN (dB)
7.0
8.0
8.5
9.0
200
7.5
180
170
210
190 220
9.5
10.0
10.5
10
12
16
18
20
14
22
24
26
IIP3
G
V
NF
RF = 1950 ±30MHz
LO = 1760MHz
P
LO
= 0dBm
Z
RF
= 50Ω
Z
IF
= 200Ω
T
C
= 25°C
Voltage Conversion Gain, IIP3 and NF vs IF Frequency
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC5569
