NGA-486 查看數據表（PDF） - Stanford Microdevices
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NGA-486 Datasheet PDF : 4 Pages
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Preliminary
NGA-486 DC-5 GHz Cascadable MMIC Amplifier
NGA-486 Basic Application Circuit
VS
RBIAS
1 uF 1000
pF
CD
RF in
4
1
3
NGA-486
CB
2
LC
CB
RF out
VS
1 uF
RBIAS
LC
1000 pF
CD
CB
CB
Application Circuit Element Values
Reference
Designator 500
Frequency (Mhz)
850
1950
2400
3500
CB
220 pF 100 pF 68 pF 56 pF 39 pF
CD
100 pF 68 pF 22 pF 22 pF 15 pF
LC
68 nH 33 nH 22 nH 18 nH 15 nH
Recommended Bias Resistor Values for ID=80mA
Supply Voltage(VS) 7.5 V 8 V 10 V 12 V
RBIAS
33
39
68
91
Note: RBIAS provides DC bias stability over temperature.
Mounting Instructions
1. Use a large ground pad area under device pins 2
and 4 with many plated through-holes as shown.
2. We recommend 1 or 2 ounce copper. Measurements
for this data sheet were made on a 31 mil thick FR-4
board with 1 ounce copper on both sides.
Part Identification Marking
The part will be marked with an N4 designator on the
top surface of the package.
3
4 N4
2
1
For package dimensions, refer to outline drawing at
www.stanfordmicro.com
Caution: ESD sensitive
Appropriate precautions in handling, packaging
and testing devices must be observed.
Pin # Function
Description
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 as close to ground leads as
possible.
3 RF OUT/ RF output and bias pin. DC voltage is
BIAS present on this pin, therefore a DC
blocking capacitor is necessary for
proper operation.
4
GND Sames as Pin 2
Part Number Ordering Information
Part Number
Reel Size
Devices/Reel
NGA-486
7"
1000
726 Palomar Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
4
http://www.stanfordmicro.com
EDS-101104 Rev. D
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