HMC307QS16GE データシートの表示（PDF） - Hittite Microwave

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HMC307QS16GE

1dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, DC - 4 GHz

Hittite Microwave 

v07.0505

Evaluation Circuit Board

6

HMC307QS16G / 307QS16GE

1dB LSB GaAs MMIC 5-BIT DIGITAL

ATTENUATOR, DC - 4 GHz

* R2 - R6 = 100 Ohm.

These resistors are optional

and may be used to enhance

decoupling of the RF path

from the control inputs.

List of Materials for Evaluation PCB 103397 [1]

Item

J1 - J2

J3 - J9

R1

R2 - R6

C1, C2

U1

PCB [2]

Description

PCB Mount SMA Connector

DC Pin

5k Ohm Resistor, 0402 Pkg.

100 Ohm Resistor, 0402 Pkg.

0402 Chip Capacitor, Select Value for Lowest

Frequency of Operation

HMC307QS16G / HMC307QS16GE

Digital Attenuator

103395 Evaluation PCB 1.5” x 1.5”

The circuit board used in the final application

should use RF circuit design techniques. Signal

lines should have 50 ohm impedance while the

package ground leads and exposed paddle should

be connected directly to the ground plane similar to

that shown. A sufficient number of via holes should

be used to connect the top and bottom ground

planes. The evaluation circuit board shown is avail-

able from Hittite upon request.

[1] Reference this number when ordering complete evaluation PCB

[2] Circuit Board Material: Rogers 4350

6 - 70

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

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