LTM9003CV-AB Linear Technology Corporation, LTM9003CV-AB Datasheet

LTM9003CV-AB

Manufacturer Part Number

LTM9003CV-AB

Description

Manufacturer

Linear Technology Corporation

Datasheet

1.LTM9003CV-AB.pdf (24 pages)

Specifications of LTM9003CV-AB

Case

LGA

Date_code

10+

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Bonase Electronics (HK) Co., Limited

Part Number:

LTM9003CV-AB#PBF

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APPLICATIONS

TYPICAL APPLICATION

FEATURES

Fully Integrated Receiver Subsystem for Digital

Pre-Distortion Applications

Down-Converting Mixer with Wide RF Frequency

Range: 400MHz to 3.8GHz

125MHz Wide Bandpass Filter, <0.5dB Passband

Ripple

Low Power ADC with Up to 12-Bit Resolution,

250Msps Sample Rate

–145.5dBm/Hz Input Noise Floor, 25.8dBm IIP3

1.5W Total Power Consumption

50Ω Single-Ended RF and LO Ports

Internal Bypass Capacitance, No External

Components

ADC Clock Duty Cycle Stabilizer

11.25mm × 15mm LGA package

Transmit Observation Path Receivers

Digital Pre-Distortion (DPD) Receivers

Wideband Receiver

Wideband Instrumentation

LTM9003

3.3V

GND

2.5V

ENC

–

ENC

9003 TA01

DESCRIPTION

The LTM

subsystem for the transmit path of cellular basestations.

Utilizing an integrated system in a package (SiP) tech-nol-

ogy, it includes a downconverting mixer, wideband ﬁ lter

and analog-to-digital converter (ADC). The system is tuned

for an intermediate frequency (IF) of 184MHz and a signal

bandwidth of up to 125MHz. The 12-bit ADC samples at

rates up to 250Msps. Contact Linear Technology regard-

ing customization.

The high signal level downconverting active mixer is opti-

mized for high linearity, wide dynamic range IF sampling

applications. It includes a differential LO buffer ampliﬁ er

driving a double-balanced mixer. Broadband, integrated

transformers on the RF and LO inputs provide single

ended 50Ω interfaces. The RF and LO inputs are internally

matched to 50Ω from 1.1GHz to 1.8GHz.

The CLK input controls converter operation and may be

driven differentially or single-ended. An optional clock duty

cycle stabilizer allows high performance at full speed for

a wide range of clock duty cycles.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Protected by U.S. Patents including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131.

DGND

12-Bit Digital Pre-Distortion

D11

•

= 2.5V

LVDS

Electrical Specifications Subject to Change

9003 is a 12-bit digital pre-distortion receiver

Receiver Subsystem

FFT of 4-Channel WCDMA Input at 1.95GHz

–100

–110

–40

–50

–60

–70

–80

–90

154

164

IF FREQUENCY (MHz)

174

184

LTM9003

194

204

9003 TA01b

214

9003p

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