857072

242.5 MHz SAW Filter

Data Sheet: Rev C 05/10/12

- 3 of 6 -

Disclaimer: Subject to change without notice e

© 2012 TriQuint Semiconductor, Inc.

Connecting the Digital World to the Global Network

®

Reference Design

– 100 Bal Input, 100 Bal Output

Schematic

100

Balanced

Input

1,2,3

6,7,8

100

33nH

9

5

100

33nH

10

4

30nH

30nH

12pF

12pF

100

Balanced

Output

Notes:

1.

Actual matching values may vary due to PCB layout and parasitic

PC Board

Mounting Configuration

857072

TriQuint

JJJYHH

960686

C1

L1

L2

L3

L4

C2

0.80

1.60

5.70

1.27

1.20

2.54

7.20

Notes:

Top, middle & bottom layers: 1 oz copper

Substrates: FR4 dielectric, .031” thick

Finish plating: Nickel: 3-8µm thick, Gold: .03-.2µm thick

Hole plating: Copper min .0008µm thick

Notes:

1.

All dimensions are in millimeters.

2.

This footprint represents a recommendation only.

Bill of Material

Reference Desg.

Value

Description

Manufacturer

Part Number

L1

33nH

Coil Wire-wound, 0603 5%

MuRata

LQW18AN33NJ00

L2

33nH

Coil Wire-wound, 0603, 5%

MuRata

LQW18AN33NJ00

L3

30nH

Coil Wire-wound, 0603, 5%

MuRata

LQW18AN30NJ00

L4

30nH

Coil Wire-wound, 0603, 5%

MuRata

LQW18AN30NJ00

C1

12pF

Chip Ceramic, 0603, 5%

MuRata

GRM1885C1H120JA01

C2

12pF

Chip Ceramic, 0603, 5%

MuRata

GRM1885C1H120JA01

SMA

N/A

SMA connector

Johnson Components

142-0701-801

PCB

N/A

3-layer

multiple

960686