HMC742LP5_09 Datasheet, PDF (11/12 Pages) Hittite Microwave Corporation – 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz

Evaluation PCB
HMC742LP5E
v03.0709
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz
13
List of Materials for Evaluation PCB ^[2]
Item
Description
J1 - J2
PCB Mount SMA Connectors
J3
4 Pin DC Connector
J4, J5
14 Pin DC Connector
C1 - C6, C8, C9
Capacitor, 0402 Pkg. ^[2]
C7
100pF Capacitor. 0402 Pkg.
C11
1000 pF Capacitor, 0402 Pkg.
C12
Capacitor, 0603 Pkg. ^[2]
C14
2.2 μF Capacitor, CASE A Pkg.
R1
0 Ohm Resistor, 1206 Pkg.
L1
Inductor, 0603 Pkg. ^[2]
U1
HMC742LP5E Variable Gain Amplifier
PCB ^[1]
116958 Evaluation PCB
[1] Circuit Board Material: Arlon 25FR, FR4
[2] Please reference Components for Selected Frequencies Table
shown on previous page.
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 con-
nected 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 available from
Hittite upon request.
13 - 118
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
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