SNA-486 データシートの表示（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 RF Performance at Key Operating Frequencies
Symbol
Parameter
Unit
100
G Small Signal Gain
dB
13.9
OIP3 Output Third Order Intercept Point dBm
P1dB Output Power at 1dB Compression dBm
IRL Input Return Loss
dB
11.0
ORL Output Return Loss
dB
15.4
S12 Reverse Isolation
NF Noise Figure
dB
18.3
dB
Test Conditions: VS = 8v
RBIAS = 47 Ohms
ID = 65mA Typ.
TL = 25ºC
Frequency (MHz)
500
850
1950
2400
3500
13.9
13.9
13.6
13.5
13.1
32.0
32.3
30.9
30.6
17.0
17.1
17.5
17.5
11.6
12.2
11.7
11.5
11.9
15.6
16.2
14.7
14.1
12.0
18.3
18.3
18.2
18.2
18.2
5.0
5.0
5.0
OIP3 Tone Spacing = 1 MHz, Pout per tone = 0 dBm
ZS = ZL = 50 Ohms
Absolute Maximum Ratings
Operation of this device beyond any one of these limits may
cause permanent damage. For reliable continous operation,
the device voltage and current must not exceed the maximum
operating values specified in the table on page one.
Bias Conditions should also satisfy the following expression:
IDVD < (TJ - TL) / RTH, j-l
Parameter
Absolute Limit
Max. Device Current (ID)
Max. Device Voltage (VD)
Max. RF Input Power
110 mA
7V
+16 dBm
Max. Junction Temp. (TJ)
Operating Temp. Range (TL)
Max. Storage Temp.
+175°C
-40°C to +85°C
+150°C
NOTE: While the SNA-486 can be operated at different bias currents, 65 mA is the recommended bias for
lower junction temperature and longer life. This reflects typical operating conditions which we have found
to be an optimal balance between high IP3 and MTTF. In general, MTTF is improved to more than 100,000
hours when biasing at 65 mA and operating up to 85°C ambient temperature.
200
190
180
170
160
150
140
0.25
Junction Temperature vs. Dissipated Power
TJmax
85°C lead temp
0.3
0.35
0.4
0.45
Dissipated Power (W)
1.E+08
1.E+07
1.E+06
1.E+05
1.E+04
0.25
MTTF vs. Dissipated Power
85°C lead temp
0.3
0.35
0.4
Dissipated Power (W)
0.45
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
2
http://www.sirenza.com
EDS-101396 Rev C
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