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HMC474MP86_09 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – SiGe HBT GAIN BLOCK MMIC AMPLIFIER, DC - 6 GHz
Pin Descriptions
9
Pin Number
Function
1
RFIN
3
RFOUT
2, 4
GND
v01.0906
HMC474MP86 / 474MP86E
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 6 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 must be connected to RF/DC ground.
Interface Schematic
Application Circuit
Recommended Bias Resistor Values
for Icc= 25 mA, Rbias= (Vs - Vcc) / Icc
Supply Voltage (Vs)
3V
5V
6V
8V
RBIAS VALUE
30 Ω 110 Ω 150 Ω 240 Ω
RBIAS POWER RATING
1/8 W 1/8 W 1/4 W 1/2 W
10V
300 Ω
1/2 W
Note:
1. External blocking capacitors are required on
RFIN and RFOUT.
2. RBIAS provides DC bias stability over temperature.
9 - 64
Recommended Component Values for Key Application Frequencies
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
6.8 nH
100 pF
5500
3.3 nH
100 pF
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com