Linear Technology 2429A Guía de configuración rápida

dc2429af

DEMO MANUAL DC2429A

Description

LT3042

PLL/VCO Supply and

Reference Board

Demonstration Circuit 2429A is a PLL/VCO Supply and

Reference Board that features the LT

3042, an ultralow

noise and ultrahigh PSRR RF linear regulator. When

powered from any lab or wall wart supply, the DC2429A

produces four ultralow noise supplies and an ultralow

noise 100MHz reference that ensures PLL/VCO evaluation

meets data sheet performance.

Functionally, this circuit produces four separate ultralow

noise supplies from a single 6V to 20V supply input.

These supplies provide a fixed 3.3V/800mA supply, a fixed

5V/200mA supply, a variable voltage/200mA supply and a

fixed3.3V/200mA supply that powers an onboard 100MHz

reference.Thevariablesupplyisidealforpoweringexternal 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.

VCOs, by providing a jumper option that selects between

seven common VCO power supply voltages.

The onboard 100MHz reference is capable of providing a

signal which is clean enough to produce data sheet per-

formance from a PLL/VCO. The default reference output

mates directly with the LTC

6945, LTC6946, LTC6947 and

LTC6948 demo board reference inputs. For evaluation of

PLL/VCOs with other references, the DC2429A can be

modified to accommodate different onboard reference

frequencies, signal types and package footprints.

Design files for this circuit board are available at

http://www.linear.com/demo/DC2429A

Figure 1. DC2429A Connections

OUTPUT SUPPLY

3.3V, 800mA

BANANA JACK OR TURRET

SUPPLY OPTIONS

ON/OFF CONTROL VIA JP1, JP2, JP3, JP4

REFERENCE OPTIONS

SUPPORTS A VARIETY OF FOOTPRINTS (U7),

FREQUENCIES AND SE/DIFF OUTPUT TYPES

INPUT SUPPLY

6V TO 29V, MAX 1.4A

WALL WART, BANANA JACK OR TURRET

FOR BEST PERFORMANCE, USE SHIELDED CABLES

OUTPUT SUPPLY

VARIABLE V, 200mA

BANANA JACK OR TURRET

DEFAULT VOLTAGE: 5V

JUMPER SELECTABLE (JP5)

OUTPUT SUPPLY

5V, 200mA

BANANA JACK OR TURRET

REF+ OUTPUT

100MHz, CMOS

MALE SMA

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dc2429af

DEMO MANUAL DC2429A

Quick start proceDure

SETUP

Follow the steps provided in Figure 2 below. When using

a switching supply in Step 1, it is best to use a shielded

BNC power supply cable with BNC to banana plug adap-

tors in Steps 1, 2, 3 and 6 to avoid coupling between the

input supply and output supplies.

Figure 2. DC2429A Setup

LEDs D1 to D4 should illuminate when power is applied in

Step 1. If the LEDs do not illuminate, verify jumpers JP1 to

JP4 are set to the ON position. If D4 does not illuminate,

verify Step 1’s input voltage is at least 350mV greater

than the desired voltage on the Variable, 200mA supply.

1. CONNECT 6V TO 20V

SUPPLY. (SHOULD BE

350mV GREATER THAN

THE HIGHER OF 6V OR

THE VARIABLE, 200mA

SUPPLY SETTING IN STEP 5)

2. CONNECT 3.3V, 800mA

SUPPLY TO PLL/VCO

DEMO BOARD 3.3V SUPPLY

3. CONNECT 5V, 200mA

SUPPLY TO PLL/VCO

DEMO BOARD 5V SUPPLY

4. CONNECT REF+ (J7) TO

PLL/VCO DEMO BOARD

3.3V SUPPLY

6. (FOR EXTERNAL VCOs)

CONNECT VARIABLE,

200mA SUPPLY TO

PLL/VCO DEMO BOARD

VCO SUPPLY

5. (FOR EXTERNAL VCOs)

SELECT CORRECT VCO

VOLTAGE

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dc2429af

DEMO MANUAL DC2429A

typical Dc2429a reQuirements anD characteristics

Table 1. DC2429A Assembly Options

PARAMETER INPUT OR OUTPUT PHYSICAL LOCATION DETAILS

6V to 20V Power Supply Input J1 Wall Wart Connector or

J2 and J3 BNC Banana Jacks

6V to 20V input power supply voltage must be 350mV greater than

the higher of 6V or the desired variable, 200mA output voltage.

Up to 1.4A current consumption.

LEDs D1-D4 illuminate when power supplied.

To avoid coupling between input and output supplies it is best to

use shielded power supply cables.

3.3V, 800mA Output J4 and J5 BNC Banana Jacks Load shares 4 LT3042 to achieve 800mA output current capability.

See schematic.

5V, 200mA Output J8 and J9 BNC Banana Jacks

Variable, 200mA Output J10 and J11 BNC Banana

Jacks

JP5 selects output voltage

6V to 20V input power supply voltage must be 350mV greater than

the higher of 6V or the desired variable, 200mA output voltage.

Variable, 200mA

Output Voltage Selection

Input JP5 Selects variable, 200mA supply output voltage

(Options: 2.5V, 3.3V, 5V, 8V, 10V, 12V, 15V).

REF+ Output J7 Male SMA connector

100MHz, 3.3V CMOS thru 100Ω series, AC coupled.

REF– Output J6 (not installed) Default: not installed. Install if differential reference is desired.

3.3V Jumper Input JP1 Default: set to ON.

Connected to LT3042 EN/UV pin (U1, U4, U5 and U6).

3.3V_REF Jumper Input JP2 Default: set to ON.

Connected to LT3042 EN/UV pin (U2).

5V Jumper Input JP3 Default: set to ON.

Connected to LT3042 EN/UV pin (U3).

Variable Jumper Input JP4 Default: set to ON.

Connected to LT3042 EN/UV pin (U8).

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dc2429af

DEMO MANUAL DC2429A

parts list

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Required Circuit Components

1 16 C1, C3-C7, C9-C11, C19-C21,

C23-C25, C35

CAP., X7R, 4.7µF, 50V, 10%, 1206 MURATA, GRM31CR71H475KA12L

2 0 C2, C8, C18, C22 CAP., ALUM. ELECT., 10µF, 50V, 10%, CE-BSS SUN ELECT., 50CE10BSS

3 0 C12 CAP., 0603 OPT

4 4 C13, C14, C16, C17 CAP., X7R, 1µF, 16V, 10%, 0603 MURATA, GRM188R71C105KA12D

5 1 C15 CAP., X7R, 0.01µF, 16V, 10%, 0603 MURATA, GRM188R71C103KA01D

6 7 C26-C28, C32-C34, C37 CAP., X7R, 0.1µF, 16V, 10%, 0603 MURATA, GRM188R71C104KA01D

7 3 C29, C30, C31 CAP., X7R, 0.47µF, 50V, 10%, 0805 MURATA, GRM21BR71H474KA88L

8 1 C36 CAP., ALUM. ELECT., 22µF, 50V, 10%, CE-BSS SUN ELECT., 50CE22BSS

9 4 D1, D2, D3, D4 LED, GREEN, LED-ROHM-SML-01 ROHM, SML-012P8TT86

10 9 E1-E9 TURRET, 0.064" MILL-MAX, 2308-2-00-80-00-00-07-0

11 4 JP1-JP4 CONN., HEADER, 1x3, 2mm WURTH ELEKTRONIK, 62000311121

12 1 JP5 CONN., HEADER, 2X7, 2mm SULLINS, NRPN072PAEN-RC

13 1 J1 CONN., PWR JACK, CON-CUI-PJ002AH CUI INC., PJ-002AH

14 8 J2-J5, J8-J11 JACK, BANANA KEYSTONE, 575-4

15 0 J6 CONN., SMA 50-OHM EDGE-LAUNCH OPT

16 1 J7 CONN., SMA 50-OHM EDGE-LAUNCH, MALE EF JOHNSON, 142-0801-801

17 1 L1 IND, FERRITE BEAD, L-0603LS-1608 TAIYO YUDEN, FBMH1608HL121-T

18 3 L2-L4 IND, FERRITE BEAD, L-0603LS-1608 TAIYO YUDEN, FBMH1608HL331-T

19 2 R1, R11 RES., CHIP, 280, 1/10W 1%, 0603 VISHAY, CRCW0603280RFKEA

20 4 R2, R3, R8, R9 RES., CHIP, 0.05, 1/4W 5%, 0805 PANASONIC, ERJ-L06KJ50MV

21 2 R4, R10 RES., CHIP, 453k, 1/8W 1%, 0805 VISHAY, CRCW0805453KFKEA

22 4 R6, R13, R25, R26 RES., CHIP, 49.9k, 1/8W 1%, 0805 VISHAY, CRCW080549K9FKEA

23 1 R7 RES., CHIP, 8.25k, 1/8W 1%, 0805 VISHAY, CRCW08058K25FKEA

24 1 R14 RES., CHIP, 33.2k, 1/8W 1%, 0805 VISHAY, CRCW080533K2FKEA

25 0 R15-R18, R20, R21 RES., 0603 OPT

26 1 R19 RES., CHIP, 100, 1/10W 1%, 0603 VISHAY, CRCW0603100RFKEA

27 1 R22 RES., CHIP, 698k, 1/8W 1%, 0805 VISHAY, CRCW0805698KFKEA

28 1 R23 RES., CHIP, 619, 1/10W 1%, 0603 VISHAY, CRCW0603619RFKEA

29 1 R27 RES., CHIP, 1.21k, 1/10W 1%, 0603 VISHAY, CRCW06031K21FKEA

30 1 R28 RES., CHIP, 24.9k, 1/4W 1%, 1206 VISHAY, CRCW120624K9FKEA

31 1 R29 RES., CHIP, 33.2k, 1/4W 1%, 1206 VISHAY, CRCW120633K2FKEA

32 1 R30 RES., CHIP, 49.9k, 1/4W 1%, 1206 VISHAY, CRCW120649K9FKEA

33 1 R31 RES., CHIP, 80.6k, 1/4W 1%, 1206 VISHAY, CRCW120680K6FKEA

34 1 R32 RES., CHIP, 100k, 1/4W 1%, 1206 VISHAY, CRCW1206100KFKEA

35 1 R33 RES., CHIP, 121k, 1/4W 1%, 1206 VISHAY, CRCW1206121KFKEA

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dc2429af

DEMO MANUAL DC2429A

parts list

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

36 1 R34 RES., CHIP, 150k, 1/4W 1%, 1206 VISHAY, CRCW1206150KFKEA

37 7 U1-U6, U8 I.C., DFN10DD-3X3 LINEAR TECH., LT3042EDD

38 1 U7 I.C., 100MHz OSCILLATOR, OSC-VCXO/CVS575S CRYSTEK, CCHD-575-25-100.000

39 5 SHUNT ON JP1-JP5 AS SHOWN ON

ASSY DWG

SHUNT, 2mm WURTH ELEKTRONIK, 60800213421

40 4 MH1-MH4 STANDOFF, NYLON, 0.5, 1/2" WURTH ELEKTRONIK, 702935000

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dc2429af

DEMO MANUAL DC2429A

schematic Diagram

3.3V, 800mA SUPPLY

3.3V, 100MHz REF OUT

5V, 200mA SUPPLY

1. ALL RESISTORS AND CAPACITORS ARE 0603.

NOTES: UNLESS OTHERWISE SPECIFIED

IF LT3042 VIN - VOUT > 12V, THEN MAXIMUM CURRENT LISTED

FOR GIVEN SUPPLY DECREASES - REFER TO LT3042 DATASHEET

VIN

U1_EN

U1_SET

U1_EN

VIN

U1_EN

3.3V

U1_SET

INPUT

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

CHRIS P.PRODUCTION

__ 1 10-08-15

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

CHRIS P.PRODUCTION

__ 1 10-08-15

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

CHRIS P.PRODUCTION

__ 1 10-08-15

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

R10

453k

0805

C21

4.7uF

1206

25V

R17

OPT

R11

280

3.3V, 800mA

KEY-575-4

C29

0.47uF

0805

50V

VIN

JP1

3.3V

OFF

HD1X3-079

R22

698k

0805

8.25k

0805

C32

0.1uF

C33

0.1uF

R16

OPT

C17

1uF

C11

4.7uF

1206

25V

C35

4.7uF

1206

50V

GREEN

2 1

C34

0.1uF

JP2

3.3V REF

OFF

HD1X3-079

10uF

50V

OPT

FBMH1608HL121-T

GND

KEY-575-4

C14

1uF

0.05 0805

VIN

6V - 20V

KEY-575-4

4.7uF

1206

25V

GND

KEY-575-4

V+XO1

C20

4.7uF

1206

25V

C10

4.7uF

1206

25V

C31

0.47uF

0805

50V

C12

OPT

453k

0805

R21

OPT

C19

4.7uF

1206

50V

4.7uF

1206

25V

GND

R14

33.2k

0805

C30

0.47uF

0805

50V

R25

49.9k

0805

EN-XO1

4.7uF

1206

25V

0.05 0805

10uF

50V

OPT

R23

619

C15

0.01uF

SMA, MALE

REF+

GREEN

3.3V

C36

22uF

50V

R13

49.9k

0805

4.7uF

1206

50V

GND

KEY-575-4

C26

0.1uF

LT3042EDD

GND 8

PGFB 6

SET 7

OUTS 9

OUT 10

EN/UV

ILIM

4.7uF

1206

25V

J8 5V, 200mA

KEY-575-4

4.7uF

1206

25V

C13

1uF

CCHD-575-25-100

VTUNE

GND

3OUT+ 4

OUT- 5

VCC 6

0.05 0805

C16

1uF

R15

OPT

49.9k

0805

SMA

REF-

OPT

LT3042EDD

GND

PGFB

SET

OUTS

OUT

EN/UV 3

ILIM 5

PG 4

IN 2

IN 1

4.7uF

1206

50V

C27

0.1uF

PJ-002AH

6V - 20V

R19

100

LT3042EDD

GND

PGFB

SET

OUTS

OUT

EN/UV 3

ILIM 5

PG 4

IN 2

IN 1

LT3042EDD

GND

PGFB

SET

OUTS

OUT

EN/UV 3

ILIM 5

PG 4

IN 2

IN 1

280

R18

OPT

3.3V, 800mA

GREEN

REF

2 1

FBMH1608HL331-T

JP3

OFF

HD1X3-079

LT3042EDD

GND 8

PGFB 6

SET 7

OUTS 9

OUT 10

EN/UV

ILIM

R26

49.9k

0805

R20

OPT

C18

10uF

50V

OPT

0.05 0805

C28

0.1uF

LT3042EDD

GND 8

PGFB 6

SET 7

OUTS 9

OUT 10

EN/UV

ILIM

GND

5V, 200mA

GND

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dc2429af

DEMO MANUAL DC2429A

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

schematic Diagram

VARIABLE, 200mA SUPPLY

2.5V

3.3V

10V

12V

15V

IF LT3042 VIN - VOUT > 12V, THEN MAXIMUM CURRENT LISTED

FOR GIVEN SUPPLY DECREASES - REFER TO LT3042 DATASHEET

INPUT

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2429A

Thursday, October 08, 2015

PLL/VCO SUPPLY AND REFERENCE BOARD

N/A

KIM T.

CHRIS P.

R30

49.9k

1206

R34

150k

1206

J11

GND

KEY-575-4

R27

1.21k

C23

4.7uF

1206

50V

C37

0.1uF

JP4

VARIABLE

HD1X3-079

OFF

VEXT

R28

24.9k

1206

R33

121k

1206

GND

LT3042EDD

GND 8

PGFB 6

SET 7

OUTS 9

OUT 10

EN/UV

ILIM

R29

33.2k

1206

C24

4.7uF

1206

25V E7

VARIABLE, 200mA

R32

100k

1206

J10

KEY-575-4

VARIABLE, 200mA

C25

4.7uF

1206

25V

R31

80.6k

1206

GREEN

VARIABLE

2 1

C22

10uF

50V

OPT

JP5

HD2X7-079

13 14

FBMH1608HL331-T

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dc2429af

DEMO MANUAL DC2429A

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ●FAX: (408) 434-0507 ●www.linear.com

LT 0216 • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT

OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.

If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or

agency certified (FCC, UL, CE, etc.).

No License is granted under any patent right or other intellectual property whatsoever. LTC assumes no liability for applications assistance,

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.

Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and

observe good laboratory practice standards. Common sense is encouraged.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC application

engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

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