LTC6948IUFD-2-TRPBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC6948IUFD-2-TRPBF
Linear Technology
'LTC6948IUFD-2-TRPBF' PDF : 36 Pages View PDF
LTC6948
Typical Applications
Generating a 12GHz LO Signal
315.5MHz DATA-
CONVERTER CLOCK
CRYSTEK
CCSO-914X
16.5Ω
315.5MHz, 15dBm
16.5Ω
16.5Ω
1µF
51.1Ω
SPI BUS
0.1µF
3.3V
3.3V
1.5nF
0.1µF 3.3V
71.5Ω 10µH
5V
15Ω
2.2nF 4.7nF
1µF
71.5Ω
1µF
REF+
STAT
CS
SCLK
SDI
SDO
LDO
VD+
0.01µF
LTC6948-4
BVCO
GND
CMA
CMB
CMC
GND
TB
TUNE
47nF
0.01µF
1µF
2.2µF
System Phase Noise
fRF = 12.024GHz
–80
–90
–100
–110
–120
–130 RMS NOISE = 0.825°
RMS JITTER = 191fs
–140
fPFD = 63.1MHz
LOOP BW = 218kHz
INTN = 0
–150
1k
10k 100k 1M
10M 100M
OFFSET FREQUENCY (Hz)
6948 TA03b
UNUSED OUTPUT
AVAILABLE FOR
OTHER USE
50Ω
0.1µF
3.3V 68nH
0.1µF
68nH 100pF
3.3V
1µF
5V
0.01µF
1nF
100pF
X2
MA-COM
XX1002-QH
R = 5, fPFD = 63.1MHz
N = 66.6 TO 95.1
LBW = 218kHz
1µF O = 1
fLO = 8400MHz TO 12000MHz IN 481.4Hz STEPS
PLO = 14dBm TO 16dBm
6948 TA03a
Related Parts
PART NUMBER
LTC6946-x
LTC6945
LTC6947
LTC6957
LTC5540/LTC5541/
LTC5542/LTC5543
LTC5590/LTC5591/
LTC5592/LTC5593
LTC5569
LTC5588-1
LT®5575
DESCRIPTION
Ultralow Noise and Spurious Integer-N
Synthesizer with Integrated VCO
Ultralow Noise and Spurious Integer-N
Synthesizer
Ultralow Noise and Spurious Fractional-N
Synthesizer
Low Phase Noise, Dual Output Buffer/Driver/
Logic Converter
High Dynamic Range Downconverting Mixers
High Linearity Dual Mixers
Broadband Dual Mixer
Ultrahigh OIP3 I/Q Modulator
Direct Conversion I/Q Demodulator
COMMENTS
370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz
Wideband Output Phase Noise Floor
350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz
Wideband Output Phase Noise Floor
350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz
Wideband Output Phase Noise Floor
Optimized Conversion of Sine Waves to Logic Levels, LVPECL/LVDS/CMOS Outputs,
DC-300MHz, 45fsRMS additive jitter (LVPECL)
8dB Conversion Gain, 26.4dBm IIP3, 9.6dB NF, 600MHz to 4GHz
600MHz to 4.5GHz, 8.5dB Gain, 26.2dBm IIP3, 9.9dB NF
300MHz to 4GHz, 26.8dBm IIP3, 2dB Gain, 11.7dB NF, 600mW Power
200MHz to 6GHz, 31dBm OIP3, –160.6dBm/Hz Noise Floor
800MHz to 2.7GHz, 22.6dBm IIP3, 60dBm IIP2, 12.7dB NF
36 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950Fo3r5m-7o4re1i7nformation www.linear.com/LTC6948
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC6948
6948f
LT 0614 • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2014
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