HMC311ST89_06 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – InGaP HBT GAIN BLOCK MMIC AMPLIFIER, DC - 6.0 GHz

5
Pin Descriptions
Pin Number
Function
1
RFIN
v01.0505
HMC311ST89 / 311ST89E
InGaP HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 6.0 GHz
Description
This pin is DC coupled.
An off chip DC blocking capacitor is required.
Interface Schematic
3
RFOUT
RF output and DC Bias for the output stage.
2, 4
GND
These pins and package bottom must be connected to
RF/DC ground.
Application Circuit
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
5 - 46
Recommended Component Values
Component
L1
C1, C2
50
270 nH
0.01 μF
900
56 nH
100 pF
1900
18 nH
100 pF
Frequency (MHz)
2200
2400
18 nH
15 nH
100 pF
100 pF
3500
8.2 nH
100 pF
5200
3.3 nH
100 pF
5800
3.3 nH
100 pF
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com