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ATF-21 Series
750 micron general purpose MESFET

for 500 MHz - 6 GHz use
4 GHz: NF = 0.9 dB, Ga = 13 dB, P 1dB = +23dBm

part number use NF
[ dB ]
Ga
[ dB ]
package outline data sheet
space
ATF-21170 general
purpose
1.1
min
at 4 GHz
12.0
min
at 4 GHz
70 mil
ceramic
pkg dwg pdf
pdf
 
space
ATF-21186 general
purpose
0.75
min
at 2 GHz
12.0
min
at 2 GHz
SMT
85 mil
plastic
pkg dwg pdf
pdf
 
 
 
Models[ top ]
The following models are available for this family:
  MDS model [ATF-21170] [link to MDS model]
  ADS model [ATF-21170] [link to ADS model]
 
S Parameter Data[ top ]
S parameter data is available for:
  ATF-21170 [link to s parameter data]
  ATF-21186 [link to s parameter data]
 
Applications Literature[ top ]
The following literature archives contain information that may make use of this product easier:
  General Information about FETs [link to applications library]
  Info. about ATF-21 Series FETs [link to applications library]
  Assembly Information [link to applications library]
 
Demonstration Circuit Boards[ top ]
The following demonstration circuits may aid in the evaluation of this product:
  ATF-21170,
ATF-21186
UHF / L-band LNA board [link to demo board info]
 
Reference Info for Obsolete Products[ top ]
The following members of this product family are no longer available for purchase.
Imformation is provided about them for reference only.
part number use NF
[ dB ]
Ga
[ dB ]
package outline data sheet
space
ATF-21100
(obsolete)
general
purpose
1.1
@ 4GHz
12.0
@ 4GHz
chip pkg dwg use ATF-21170

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this page last updated: 1 October 1999