LTC5587
TYPICAL APPLICATION
RFIN POWER AMP
10MHz to 6GHz Infrastructure Power
Amplifier Level Control
3.3VDC
RF COUPLER
RFOUT
DIGITAL
POWER
CONTROL
1μF
1000pF
0.01μF
1 SDO
CONV 12
2 SCK
VDD 11
3
LTC5587
OVDD
VREF
10
4 VOUT
EN 9
5 GND
VCC 8
6 CSQ GND
RF 7
13
CMATCH
50Ω
1μF
LMATCH
1μF
1000pF
68Ω
5587 TA01a
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
RF Power Detectors
LTC5505
RF Power Detectors with >40dB Dynamic Range 300MHz to 3GHz, Temperature Compensated, 2.7V to 6V Supply
LTC5507
100kHz to 1000MHz RF Power Detector
100kHz to 1GHz, Temperature Compensated, 2.7V to 6V Supply
LTC5508
300MHz to 7GHz RF Power Detector
44dB Dynamic Range, Temperature Compensated, SC70 Package
LTC5509
300MHz to 3GHz RF Power Detector
36dB Dynamic Range, Low Power Consumption, SC70 Package
LTC5530
LTC5531
LTC5532
LT5534
300MHz to 7GHz Precision RF Power Detector
300MHz to 7GHz Precision RF Power Detector
300MHz to 7GHz Precision RF Power Detector
50MHz to 3GHz Log RF Power Detector with 60dB
Dynamic Range
Precision VOUT Offset Control, Shutdown, Adjustable Gain
Precision VOUT Offset Control, Shutdown, Adjustable Offset
Precision VOUT Offset Control, Adjustable Gain and Offset
±1dB Output Variation over Temperature, 38ns Response Time, Log Linear
Response
LTC5536
Precision 600MHz to 7GHz RF Power Detector with 25ns Response Time, Comparator Reference Input, Latch Enable Input,
Fast Comparator Output
–26dBm to +12dBm Input Range
LT5537
Wide Dynamic Range Log RF/IF Detector
Low Frequency to 1GHz, 83dB Log Linear Dynamic Range
LT5538
75dB Dynamic Range 3.8GHz Log RF Power
Detector
±0.8dB Accuracy Over Temperature
LTC5582
60dB Dynamic Range RMS Detector
40MHz to 10GHz, ±0.5dB Accuracy Over Temperature
LT5581
6GHz RMS Power Detector, 40dB Dynamic Range ±1dB Accuracy Over Temperature, Log Linear Response, 1.4mA at 3.3V
Infrastructure
LT5568
700MHz to 1050MHz High Linearity Direct
Quadrature Modulator
22.9dBm OIP3 at 850MHz, –160.3dBm/Hz Noise Floor, 50Ω, 0.5VDC Baseband
Interface, 3-Ch CDMA2000 ACPR = –71.4dBc at 850MHz
LT5572
1.5GHz to 2.5GHz High Linearity Direct Quadrature 21.6dBm OIP3 at 2GHz, –158.6dBm/Hz Noise Floor, High-Ohmic 0.5VDC Baseband
Modulator
Interface, 4-Ch W-CDMA ACPR = –67.7dBc at 2.14GHz
LT5579
1.5GHz to 3.8GHz High Linearity Upconverting
Mixer
27.3dBm OIP3 at 2.14GHz, 9.9dB NF, 2.6dB Conversion Gain, –35dBm LO Leakage
LTC5598
5MHz to 1600MHz High Linearity Direct Quadrature 27.7dBm OIP3 at 140MHz, –161.2dBm/Hz Noise Floor, 0.5VDC Baseband Interface,
Modulator
–55dBm LO Leakage and 50.4dBc Image Rejection at 140MHz
LTC5588-1
200MHz to 6GHz Very High Linearity Direct
Quadrature Modulator
30dBm OIP3 at 2.14GHz, Optimizable to 35dBm, –160.5dBm/Hz Output Noise Floor,
0.5VDC Baseband Interface
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
5587f
LT 0810 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2010