CFTL-CN0134-EVALZ Analog Devices Inc, CFTL-CN0134-EVALZ Datasheet

CFTL-CN0134-EVALZ

Manufacturer Part Number

CFTL-CN0134-EVALZ

Description

EVAL BOARD CN0134

Manufacturer

Analog Devices Inc

Datasheet

1.CFTL-CN0134-EVALZ.pdf (5 pages)

Specifications of CFTL-CN0134-EVALZ

Silicon Core Number

ADF4350

Kit Application Type

Clock & Timing

Application Sub Type

Voltage Controlled Oscillator

Kit Contents

Board

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

Q6036308

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EVALUATION AND DESIGN SUPPORT

Circuit Evaluation Boards

Design and Integration Files

Rev. B

engineers. Standard engineering practices have been employed in the design and construction of

each circuit, and their function and performance have been tested and verified in a lab environment at

room temperature. However, you are solely responsible for testing the circuit and determining its

suitability and applicability for your use and application. Accordingly, in no event shall Analog Devices

be liable for direct, indirect, special, incidental, consequential or punitive damages due to any cause

whatsoever connected to the use of any Circuits from the Lab circuits. (Continued on last page)

Circuits from the Lab™ circuits from Analog Devices have been designed and built by Analog Devices

Schematics, Layout Files, Bill of Materials

CN-0134 Evaluation Board (CFTL-CN0134-EVALZ)

FREF

Broadband Low Error Vector Magnitude (EVM) Direct Conversion Transmitter

4.7kΩ

1nF

51Ω

VCO

5.5V

REF

CLK

DATA

SET

VCO

GND

1µF

Figure 1. Direct Conversion Transmitter (Simplified Schematic: All Connections and Decoupling Not Shown)

Circuits from the Lab™ tested circuit designs address

common design challenges and are engineered for

quick and easy system integration. For more information

and/or support, visit

GND

ADF4350

3.3V

AGND

ADP150

11 18 21

GNDVCO

PDB

1µF

www.analog.com/CN0134.

GND

SDV

OUT

TUNE

OUT

B+

A+

B–

A–

VCO

22nF

BIAS

82Ω

180Ω

330nF

BIAS

10nF

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

CIRCUIT FUNCTION AND BENEFITS

This circuit is a complete implementation of the analog portion

of a broadband direct conversion transmitter (analog baseband

in, RF out). RF frequencies from 500 MHz to 4.4 GHz are

supported through the use of a PLL with a broadband

integrated voltage controlled oscillator (VCO). Harmonic

filtering of the LO from the PLL ensures excellent quadrature

accuracy.

I/Q SMA INPUTS

Devices Connected/Referenced

ADF4350

ADL5375

ADP150

ADP3334

QBBN

QBBP

IBBN

IBBP

LOIP

LOIN

5.5V

1µF

Fractional-N PLL IC with Integrated VCO

Wideband Transmit Modulator

Low Noise 3.3 V LDO

Low Noise Adjustable LDO

QUADRATURE

SPLITTER

PHASE

5.0V

ADP3334

VPS1, VPS2

ADL5375

Circuit Note

1µF

www.analog.com/circuits

CN-0134

RFOUT

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CFTL-CN0134-EVALZ Summary of contents

Page 1

... For more information and/or support, visit Broadband Low Error Vector Magnitude (EVM) Direct Conversion Transmitter EVALUATION AND DESIGN SUPPORT Circuit Evaluation Boards CN-0134 Evaluation Board (CFTL-CN0134-EVALZ) Design and Integration Files Schematics, Layout Files, Bill of Materials ADP150 5.5V 1µ ...

Page 2

CN-0134 Low noise LDOs ensure that the power management scheme has no adverse impact on phase noise and EVM. This combination of components represents industry-leading direct conversion transmitter performance over a frequency range of 500 MHz to 4.4 GHz CIRCUIT ...

Page 3

Circuit Note Table 2. ADF4350 RF Output Filter Component Values (DNI = Do Not Insert) Frequency Range (MHz) Z BIAS a. 500–1300 27 nH|| 50 Ω b. 850–2450 (100 Ω in position C1c) c. 1250–2800 50 Ω ...

Page 4

CN-0134 Table 3. Single-Carrier W-CDMA Composite EVM Results Comparing Filter vs. No Filter on ADF4350 RF Outputs (Measured As Per 3GPP Specification Test Model 4) Composite EVM No LO Frequency (MHz) Filtering 2140 3.50% 1800 3.40% 900 3.30% Error vector ...

Page 5

... Equipment Needed A standard PC running Windows® XP, Windows Vista (32-bit), or Windows 7 (32-bit) with USB port, the CFTL-0134-EVALZ circuit evaluation board, and the ADF4350 programming software, power supplies, I-Q signal source, such as a Rhode & Schwarz AMIQ, and a spectrum analyzer such as the Rhode & ...

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