MT2170 [MICROTUNE]
RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS; RF硅和子系统解决方案的宽带通信和汽车电子
| 型号： | MT2170 |
| 厂家： | 
MICROTUNE,INC |
| 描述： | RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS |
| 文件： | 总2页 (文件大小：70K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RF SILICON AND SUBSYSTEMS SOLUTIONS
M
I C R O T U N E ®
FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
The MicroTuner™ MT2170
APPLICATIONS
MT2170 SINGLE-CHIP
is an advanced, low-power
single-chip wideband tuner
that has been optimized for
high-performance DOCSIS
3.0-compliant cable modems
and digital cable set-top boxes
that require low composite
distortion and low noise under
digital cable environments.
The MT2170 is capable of
receiving frequencies in the
48MHz to 1GHz range and of
converting a selected channel
to a standard intermediate
frequency (IF) between
•
•
•
DOCSIS 3.0 Wideband Cable
DOCSIS 3.0 WIDEBAND TUNER
PRODUCT BRIEF
Modems
Video over IP Digital Set-top
Boxes
The MT2170 is a low-power, single-chip
DOCSIS 3.0 wideband tuner with an
integrated IF variable gain amplifier.
DOCSIS 3.0 VoIP Telephony
Modem
•
•
•
PacketCable™ E-MTA’s
Home Gateways
Multimedia Applications
FEATURES
•
48MHz to 1GHz input
frequency range
•
•
5V & 3.3V power supply
Works seamlessly with
DOCSIS 3.0 digital
26MHz and 126MHz.
The MT2170’s dual-
conversion architecture yields
the desirable characteristics of
DOCSIS 3.0 broadband
functionality. Together with
the Microtune differential 2nd
IF Filter, the MT2170 provides
an optimized IF signal needed
for DOCSIS 3.0
demodulators
•
•
1.5W dual-conversion
architecture
MT2170 Single-Chip
DOCSIS 3.0 Wideband Tuner
Single-ended RF input
reduces BOM by eliminating
input balun
•
•
Minimal external components
No manually tunable parts
required
demodulators.
The MT2170 provides
•
•
Integrated IF variable gain
amplifier for direct connection
to digital demodulators
Fully compatible with
DOCSIS 3.0, EuroDOCSIS,
and other standards
excellent in-band flatness as
well as very repeatable gain
characteristics across the
complete reception band.
The MT2170 has a field
proven, onboard, fully
autonomous AGC which
requires only one signal
connection between the tuner
and the demodulator. This
allows signals of poor quality
to be adequately conditioned
for further processing to
deliver extremely low bit error
rates.
MT2170 SINGLE-CHIP WIDEBAND TUNER
PRODUCT BRIEF
TUNER ELECTRICAL CHARACTERISTICS
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Power Supply
MIN
TYP
MAX
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
Second intermediate center
frequency (programmable)
26
126
MHz
250
75
mA
mA
Active current 5V
Active current 3.3V
Supply voltage 5V
4.75
3.15
5.0
3.3
5.25
3.45
15
V
V
RF Signal Path
Supply voltage 3.3V
48
1000
MHz
dB
Input frequency range
Noise figure
Supply voltage ripple
Operating junction temperature
VGA output load impedance
Serial control clock
mV
°C
Ω
9
42
55
70
84
104
50
125
dB
Voltage gain
500
dB
RF AGC range
400
kHz
dBc
Image rejection
dBc/Hz
dBc/Hz
kHz
LO phase noise (10 kHz)
LO phase noise (100 kHz)
LO step size
ABSOLUTE RATINGS
PARAMETER
MIN
MAX
UNIT
IF VGA
Supply voltage 5V
6
V
V
26
126
1.0
MHz
Vp-p
dB
Frequency range
Supply voltage 3.3V
Storage temperature range
3.6
Maximum output voltage
Maximum voltage gain
IF AGC range
-50
+150
°C
30
46
Lead-free temperature
(soldering 4 seconds)
+260
°C
dB
Input voltage
-0.3
VCC +0.3
V
Lumped
Element Filter
1250 MHz
SAW Filter
DNC
Output
UPCVCCF
GPO
1
2
36
IFVCC
35
34
33
32
31
30
29
28
27
26
25
DNCoutp
DNCoutn
PD1cap
PD2cap
N/C
LNA
Filter
ATTN
RL Amp
DNC
A1
3
IF VGA
UPC
RF Input
A0
4
N/C
5
Exposed paddle on
package bottom
LO1AVCC
LO1T2CM
LO1T1CM
LO1REG
LO1LPF
GND
6
7
VGAinp
VGAinn
VGAVCC
VGAVCC
VGAcntl
VGAoutp
8
VCO/
PLL
VCO/
PLL
9
PD1
PD2
10
11
12
Temp
Sensor
VCC3V
AGC Control Block
AFC
A/D
Digital
Control
SRO
GPO
MT2170 Pin Diagram
SRO Out
IF AGC I/P
MT2170 Block Diagram
Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA
Tel: +1-972-673-1600, Fax: +1-972-673-1602, E-mail: sales@microtune.com, Web site: www.microtune.com
For a detailed list of office locations, sales offices, and sales representatives, visit our Web site at www.microtune.com
The information in this document is believed to be accurate and reliable. Microtune assumes no responsibility for any consequences arising from the use of this information, nor from any infringement of patents or
the rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or other rights of Microtune. The information in this publication replaces and supersedes all
information previously supplied, and is subject to change without notice. The customer is responsible for assuring that proper design and operating safeguards are observed to minimize inherent and procedural
hazards. Microtune assumes no responsibility for applications assistance or customer product design.
The devices described in this document are not authorized for use in medical, life-support equipment, or any other application involving a potential risk of severe property or environmental damage, personal injury,
or death without prior express written approval of Microtune. Any such use is understood to be entirely at the user’s risk.
Microtune is a registered trademark of Microtune, Inc. MicroTuner, MicroStreamer, VideoCaster, DataCaster, ClearTune, and the Microtune logo are trademarks of Microtune, Inc. All other trademarks belong to
their respective companies.
Microtune’s products are protected by one or more of the following U.S. patents: 5,625,325; 5,648,744; 5,717,730; 5,737,035; 5,739,730; 5,805,988; 5,847,612; 6,100,761; 6,104,242; 6,163,684; 6,169,569;
6,172,378; 6,177,964; 6,211,745; 6,218,899; 6,268,778; 6,310,387; 6,323,736; 6,355,537; 6,429,502; 6,462,327; 6,535,068; 6,580,313; 6,608,522; 6,631,257; 6,714,776; 6,725,463; 6,744,308; 6,771,124;
6,784,945; 6,804,099; 6,888,406; 6,891,435; 6,906,594; 6,909,886; 6,919,774; 6,920,182; 6,922,556; 6,963,478; 6,973,288; 6,993,310; 7,035,614; 7,078,960; 7,079,195; 7,164,899; 7,171,176; 7,184,724;
D469,742 and additional patents pending or filed.
Entire contents Copyright © 1996 - 2007 Microtune, Inc.
030207
MT2170 PB-00144 — Rev 1.0
March, 2007
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