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DATA SHEET ? SKY65048-360LF LOW NOISE AMPLIFIER
Measuring NF
Special care should be taken when making < 1 dB NF
measurements. Ideally, measurements should be made in an RF
shield room. An Agilent MXA N9020A spectrum analyzer with an
internal pre-amp paired with an N4001A smart noise source was
used for all noise measurements. The smart noise source has an
internal thermocouple that automatically sets the T COLD setting on
the analyzer. If a smart noise source is unavailable, a standard
low Excess Noise Ratio (ENR) source should be used. Use an
external thermocouple to manually adjust the T COLD setting to
ensure accurate results.
Table 2. SKY65048-360LF Absolute Maximum Ratings
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY65048-360LF are
provided in Table 2. The recommended operating conditions are
specified in Table 3 and electrical specifications are provided in
Table 4.
Performance characteristics for the SKY65048-360LF are
illustrated in Figures 3 through 30.
Parameter
Supply voltage
Input power
Supply current stage one
Supply current stage two
Power dissipation
Channel temperature
Storage temperature
Operating temperature
Thermal resistance
V DD
P IN
I DS 1
I DS 2
P DIS
T J
T STG
T OP
Q JC
Symbol
Minimum
–65
–40
Typical
5.5
+15
100
100
665
150
47
Maximum
+125
+85
Units
V
dBm
mA
mA
mW
C
C
C
C/W
Note:
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value.
CAUTION : Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Table 3. SKY65048-360LF Recommended Operating Conditions
Supply voltage
Supply current
Parameter
V DD
I DD
Symbol
Minimum
4.75
30
Typical
5.00
85
Maximum
5.25
100
Units
V
mA
Skyworks Solutions, Inc. ? Phone [781] 376-3000 ? Fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com
201101D ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? November 12, 2009
3
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