HMC615LP4_11 Datasheet, PDF (6/6 Pages) Hittite Microwave Corporation – GaAs MMIC MIXER w/ INTEGRATED LO AMPLIFIER, 2.3 - 4.0 GHz

v02.1210
Application Circuit
HMC615LP4 / 615LP4E
GaAs MMIC MIXER w/ INTEGRATED
LO AMPLIFIER, 2.3 - 4.0 GHz
10
Evaluation PCB
Recommended Components Values (IF = DC - 300 MHz)
C3
1000 pF
C4
2.2 µF
C1, C2, C5
100 pF
L1
18 nH
R1
18 Ohm
Note :
Select R1 to achieve Icc by using equation below,
R1 ≥ 18 Ohms.
Icc = ( Vs - 3.8 ) / R1
List of Materials for Evaluation PCB 113722 ^[1]
Item
J1 - J3
J4, J5
C1, C2, C5
Description
PCB Mount SMA RF Connector
DC Pin
100 pF Chip Capacitor, 0402 Pkg.
The circuit board used in the 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
C3
1000 pF Chip Capacitor, 0603 Pkg.
directly to the ground plane similar to that shown.
C4
L1
R1
U1
PCB ^[2]
2.2 µF Capacitor, Tantalum
18 nH Chip Inductor, 0603 Pkg.
18 Ohm Resistor, 1210 1/8 watt Pkg.
HMC615LP4E
113417 Evaluation Board
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 Hit-
tite upon request.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: [phone] Fax: [phone] Order On-line at www.hittite.com
Application Support: Phone: [phone] or [e-mail]
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