HMC589ST89 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – InGaP HBT GAIN BLOCK MMIC AMPLIFIER, DC - 4 GHz

8
Pin Descriptions
Pin Number
Function
1
IN
3
OUT
2, 4
GND
v02.0907
HMC589ST89 / 589ST89E
InGaP HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 4 GHz
Description
This pin is DC coupled.
An off chip DC blocking capacitor is required.
RF output and DC Bias (Vcc) for the output stage.
These pins and package bottom
must be connected to RF/DC ground.
Interface Schematic
Application Circuit
Recommended Bias Resistor Values
for Icc = 88 mA, Rbias = (Vs - Vcc) / Icc
Supply Voltage (Vs)
5V
6V
8V
RBIAS VALUE
RBIAS POWER RATING
1.8 Ω
1_{/8 W}
13 Ω
¼W
38 Ω
½W
Note:
1. External blocking capacitors are required on
RFIN and RFOUT.
2. RBIAS provides DC bias stability over temperature.
Recommended Component Values for Key Application Frequencies
Component
L1
C1, C2
50
270 nH
0.01 μF
900
56 nH
100 pF
1900
24 nH
100 pF
Frequency (MHz)
2200
24 nH
100 pF
2400
15 nH
100 pF
3500
8.2 nH
100 pF
4000
8.2 nH
100 pF
8 - 158
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