HMC405 Datasheet, PDF (8/9 Pages) Hittite Microwave Corporation – InGaP HBT GAIN BLOCK MMIC AMPLIFIER, DC - 10.0 GHz

Pad Descriptions
2
Pad Number
Function
1
RFIN
v03.0109
HMC405
InGaP HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 10 GHz
Description
This pin is DC coupled.
An off chip DC blocking capacitor is required.
Interface Schematic
2
Die
Bottom
RFOUT
GND
Application Circuit
RF output and DC Bias for the output stage.
Die bottom must be connected to RF/DC ground.
Note:
1. Select Rbias to achieve Icq using equation below,
Rbias > 22 Ohm.
2. External blocking capacitors are required on
RFIN and RFOUT.
Icq = Vs - 3.9
Rbias
Recommended Component Values
Component
L1
C1, C2
50
270 nH
0.01 μF
Frequency (MHz)
1000
3000
56 nH
8.2 nH
100 pF
100 pF
7000
2.2 nH
100 pF
2 - 24
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