VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC8121

2.488GHz SONET/SDH

Clock Generator

G52163-0, Rev 4.2

Page 13

04/16/01

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

VSC8121 Evaluation Board

An evaluation board is available from Vitesse which can be used to characterize the performance of the

VSC8121 2.488GHz SONET/SDH Clock Generator. The following sections provide a layout for the board,

general notes regarding usage and descriptions of input/output ports, as well as an example equipment setup. To

learn more about how to order this board for your evaluation needs, please contact your local Vitesse Sales

Office.

Figure 7: Top-view Layout of the VSC8121 Evaluation Board

VS8121EVA

REV. A

VITESSE

J1

J3

C2

J4

J6

L1

C8

J8

C9

C10

R4

R6

R5

R7

U1

C4

C1

JP1

J7

J9

R1

R2

S1

S2

J5

U2

Component Values:

R1 = 10k

Ω

R2 = 10k

Ω

R3 = 11

Ω

R4 = 0

Ω

R5 = 0

Ω

R6 = leave open

R7 = leave open

C1 = 10µF

C2 = 10µF

C4 = 0.1µF

C8 = 0.1µF

C9 = 0.01µF

C10 = 0.01µF

L1 = TDK-CB50-1206 ferrite

Board dimensions:

3” x 2.75” x 0.06”