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Copyright: 1996 - 2024
    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Stealth Microwave Press Release 9-24-2007

Stealth Microwave Announces the SM2227-46L, a Solid State GaAs FET Amplifier Designed for the Broadband Wireless Access Market

Stealth Microwave's SM2227-46L GaAsFET AmplifierStealth Microwave's SM2227-46L is a solid state GaAs FET amplifier designed for the Broadband Wireless Access market. Using a proprietary pre-distortion technique, the OIP3 is improved by 8 dB. The P1dB is +46 dBm, the linear gain is 56 dBm, and the gain change over temperature is only ± 0.5 dB. The unit is available is modular form (standard), or as a rack mountable amplifier.





Frequency Range

2.2 - 2.7 GHz

Pout (P1dB)

+ 46 dBm (typ.)

Third Order Intercept Point

+ 65 dBm

Linear Gain

60 dB ± 1 dB

Gain Flatness over Full Band

± .75dB

Gain Change over Temperature

± .5 dB

Input/Output Return Loss

± .5 dB
DC Input Voltage + 12 Volts
DC Input Current 17 Amps (Varies per application)
Mechanical Dimensions 7.5 x 4.0 x .79 inches
RF Connectors SMA Female
Operating Temperature 0ºC to +55ºC
Operating Humidity 95% Non-condensing
Operating Altitude Up to 10,000 feet above Sea Level
  • Single Power Supply

  • Over/Reverse Voltage Protection

  • Thermal Protection with Auto Reset

  • Temperature Compensation

  • Integral Output Isolator


  • Forward/Reverse Power Detection

  • RF Sampling

  • Logic On/Off Control

  • Integral Heatsink

  • High Speed Switching for TDD










Stealth Microwave SM2227-46L




Stealth Microwave SM2227-46L Heat Sink





RF Input

Input Connector (SMA Female)

- 14 dBm, typical


Output Connector SMA (Female)

+46dBm @P1dB, 45.5 dBm min

RF SAMPLE Sample RF Port (SMA Female) 30 dBr


Ground Turret


REV Reverse Power Detector  VSWR @ + 41 dBm  + 3.0 Volts
FWD Forward Power Detector + 41 dBm Output Power  + 2.5 Volts
+12 VDC DC Input Voltage + 12 Volts @ 17 Amps (typ.)
On/Off TTL Logic On/Off 0 Volts = Off, + 5 Volts = On













Specifications subject to change without notice.

Stealth Microwave, Inc. (888) 772-7791, (609) 538-8586, Fax: (609) 538-8587

Email: sales@stealthmicrowave.com

Web Site: www.stealthmicrowave.com

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