SGA-4586 Ver la hoja de datos (PDF) - Stanford Microdevices
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SGA-4586 Datasheet PDF : 8 Pages
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SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier
Pin # Function
Description
Device Schematic
1
RF IN RF input pin. This pin requires the use of an
external DC blocking capacitor chosen for the
frequency of operation.
2
GND Connection to ground. Use via holes for best
performance to reduce lead inductance.
Place vias as close to ground leads as
possible.
3 RF OUT/Vcc RF output and bias pin. Bias should be
supplied to this pin through an external series
resistor and RF choke inductor. Because DC
biasing is present on this pin, a DC blocking
capacitor should be used in most applications
(see application schematic). The supply side
of the bias network should be well bypassed.
4
GND Same as Pin 2.
Application Schematic for Operation at 850 MHz
Recommended Bias Resistor Values
Supply
Voltage(Vs)
5V
7.5V
9V
12V
Rbias
(Ohms)
30 91 120 180
1uF
68pF
Rbias
VS
For 7.5V operation or higher, a resistor with a
power handling capability of 1/2W or greater
is recommended.
50 ohm
microstrip
2
1
33nH
50 ohm
microstrip
100pF
3
4
100pF
Application Schematic for Operation at 1950 MHz
1uF
22pF
Rbias
VS
50 ohm
microstrip
68pF
2
1
3
4
22nH
68pF
50 ohm
microstrip
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
3
http://www.stanfordmicro.com
EDS-101266 Rev B
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