Dual-Band/Triple-Mode Downconverter

869 - 893 MHz and 1930 - 1990 MHz

MADCSM0001

M/A-COM Inc. and its affiliates reserve the right to make changes to the

product(s) or information contained herein without notice. M/A-COM makes

no warranty, representation or guarantee regarding the suitability of its

products for any particular purpose, nor does M/A-COM assume any liability

whatsoever arising out of the use or application of any product(s) or

information.

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North America Tel: 800.366.2266 / Fax: 978.366.2266

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Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300

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Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298

Visit www.macom.com for additional data sheets and product information.

V2

3

Recommended PCB Configuration

Sample Board Schematic

Ref

Designation

Value

Purpose

C1

2.7 pF

RF Matching

C2,C3

1000 pF

RF/IF Bypass

C4

1 pF

RF Matching

C5

2 pF

RF Matching

C6,C7,C8,C12,

C14,C15,C16,C17

0.1 µF

RF/IF Bypass

C9

39 pF

IF Matching

C10

12 pF

IF Matching

C11,C13

33 pF

IF Matching

L1,L11

22 nH

RF Matching

L2

270 nH

IF Matching

L3

6.8 nH

RF Matching

L4

120 nH

IF Matching

L5,L6

5.1 nH

RF/IF Matching

L7

15 nH

RF Matching

L8

33 nH

IF Choke

L9,L10

150 nH

IF Choke

R1

56 Ohms

PCS Source

Bias

R2

51 Ohms

Cellular Source

Bias

Case

Size

0402

0402

0402

0402

0402

0402

0402

0402

0603

0603

0603

0603

0603

0603

0603

0603

0402

0402

External Circuitry Parts List

C1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C11

C12

C14

C13

C15

C16

C17

R1

R2

L1

L2

L3

L4

L5

L7

L6

L8

L9

L10

L11