HMC273MS10GE【PDF 5/6 页】ATTENUATOR DGTL 5BIT 10MSOP

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Sheet目录54

1页 2页 3页 4页 [5页]6页

5 - 26

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

Evaluation Circuit Board

The circuit board used in the fi nal application

should use RF circuit design techniques. Signal

lines should have 50 ohm impedance while the

package ground leads and exposed ground paddle

should be connected directly to the ground plane

similar to that shown below. A sufficient number

of via holes should be used to connect the top

and bottom ground planes. The evaluation circuit

board as shown is available from Hittite Microwave

Corporation upon request.

List of Materials for Evaluation PCB 103393

[1]

* R2 - R6 = 100 Ohm.

These resistors are optional

and may be used to enhance

decoupling of the RF path

from the control inputs.

Item

Description

J1 - J2

PCB Mount SMA Connector

J3 - J6

DC Pin

5k Ohm Resistor, 0402 Chip

R2, R3, R4

100 Ohm Resistor, 0402 Chip

C1, C2

0402 Chip Capacitor, Select for Lowest

Frequency of Operation

HMC273MS10G / HMC273MS10GE

Digital Attenuator

PCB

[2]

103391 Evaluation PCB 1.5 x 1.5

[1] Reference this number when ordering complete evaluation PCB

[2] Circuit Board Material: Rogers 4350

v04.0907

1 dB LSB GaAs MMIC 5-BIT DIGITAL

ATTENUATOR, 0.7 - 3.8 GHz

HMC273MS10G / 273MS10GE

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