LTC5548
20
5548f
For more information www.linear.com/LTC5548
LINEAR TECHNOLOGY CORPORATION 2016
LT 0216 • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC5548
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
Mixers, Modulators and Demodulators
LTC5549 2GHz to 14GHz Microwave Mixer 8dB Conversion Loss, 24dBm IIP3, 500MHz to 6GHz Single-Ended IF with Integrated
Balun
LTC5544 4GHz to 6GHz Downconverting Mixer 7.5dB Gain, >25dBm IIP3 and 10dB NF, 3.3V/200mA Supply
LTC5576 3GHz to 8GHz High Linearity Active
Upconverting Mixer
25dBm OIP3, –0.6dB Gain, 14.1dB NF, –154dBm/Hz Output Noise Floor, –28dBm LO
Leakage at 8GHz
LTC5551 300MHz to 3.5GHz Ultrahigh Dynamic Range
Downconverting Mixer
+36dBm IIP3; 2.4dB Gain, <10dB NF, 0dBm LO Drive, +18dBm P1dB,
670mW Power Consumption
LTC5567 400MHz to 4GHz, Active Downconverting Mixer
1.9dB Gain, 26.9dBm IIP3 and 11.8dB NF at 1950MHz, 3.3V/89mA Supply
LTC5577 300MHz to 6GHz High Signal Level Active
Downconverting Mixer
50Ω Matched Input from 1.3GHz to 4.3GHz, 30dBm IIP3, 0dB Gain,
>40dB LO-RF Isolation, 0dBm LO Drive
LTC5510 1MHz to 6GHz Wideband High Linearity Active
Mixer
50Ω Matched Input from 30MHz to 6GHz, 27dBm OIP3, 1.5dB Gain,
Up- or Down-Conversion
LTC5585 4GHz Wideband I/Q Demodulator 400MHz
to 4GHz Direct Conversion, 25.7dBm IIP3; 60dBm, IIP2 Adjustable to >85dBm,
DC Offset Cancellation, >500MHz I & Q Bandwidth
LTC5588-1 6GHz I/Q Modulator 200MHz to 6GHz Direct Conversion, 31dBm OIP3 Adjustable to 34dBm, –160dBm/Hz
Output Noise Floor, Excellent ACPR
Amplifiers
LTC6430-20 High Linearity Differential IF Amp 20MHz to 2GHz Bandwidth, 20.8dB Gain, 51dBm OIP3, 2.9dB NF at 240MHz
LTC6431-20 High Linearity Single-Ended IF Amp 20MHz to 1.4GHz Bandwidth, 20.8dB Gain, 46.2dBm OIP3, 2.6dB NF at 240MHz
RF Power Detectors
LTC5564 15GHz Ultra Fast 7ns Response T
ime RF
Detector with Comparator
600MHz to 15GHz, –24dB to 16dBm Input Power Range, 9ns Comparator Response
Time, 125°C Version
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 Range
LTC5583 Dual 6GHz RMS Power Detector Up to 60dB Dynamic Range, ±0.5dB Accuracy Over Temperature, >50dB Isolation
RF PLL/Synthesizer with VCO
LTC6948 Ultralow Noise, Low Spurious Frac-N PLL with
Integrated VCO
373MHz to 6.39GHz, –157dBc/Hz WB Phase Noise Floor, –274dBc/Hz Normalized
In-Band 1/f Noise
Conversion Loss and IIP3 vs Input
Frequency (High Side LO)
Wideband 10MHz to 6GHz Upconversion to 6.5GHz
10MHz TO 6GHz
TCM1-83X+
Z
O
= 50Ω
L = 3.55mm
6.5GHz
6.51GHz to 12.5GHz
IF
+
IF
–
5548 TA02a
22pF
0.15pF
••
LTC5548
LO
RF
INPUT FREQUENCY (GHz)
0
CONVERSION LOSS (dB), IIP3 (dBm)
8
6
5548 TA02b
6
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5.55
28
12
16
10
14
20
24
18
22
26
CONVERSION LOSS
IIP3
RF
OUT
= 6.5GHz
LO DOUBLER OFF
T
C
= 25°C
