SNA-486 Ver la hoja de datos (PDF) - Sirenza Microdevices => RFMD
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SNA-486 Datasheet PDF : 5 Pages
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Preliminary
SNA-486 DC-6.5 GHz Cascadable MMIC Amplifier
Typical Application Circuit
RBIAS
RF in
1 uF 1000
pF
CD
4
1
SNA-486
3
CB
2
LC
CB
RF out
Application Circuit Element Values
Reference
Designator 500
Frequency (Mhz)
850
1950
2400
CB
220 pF 100 pF 68 pF 56 pF
CD
100 pF 68 pF 22 pF 22 pF
LC
68 nH 33 nH 22 nH 18 nH
3500
39 pF
15 pF
15 nH
Recommended Bias Resistor Values for ID=65mA
RBIAS=( VS-VD ) / ID
Supply Voltage(VS) 8 V 9 V 12 V 15 V
RBIAS
47 62 110 150
Note: RBIAS provides DC bias stability over temperature.
VS
RBIAS
1 uF
1000 pF
Mounting Instructions
CD
LC
1. Use a large ground pad area under device pins 2
and 4 with many plated through-holes as shown.
CB
CB
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 S4 designator on
the top surface of the package.
3
4 S4 2
1
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, 4 GND Connection to ground. For optimum RF
performance, use via holes as close to
ground leads as possible to reduce lead
inductance.
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.
Part Number Ordering Information
Part Number
Reel Size
Devices/Reel
SNA-486-TR1
7"
1000
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
4
http://www.sirenza.com
EDS-101396 Rev C
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