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Stealth Microwave Press Release 12-3-2007

 Stealth Microwave Announces the SM3437-43, a 3.4 to 3.7 GHz Solid State GaAs FET Amplifier Designed for the Wireless Local Loop Markets.

Stealth Microwave's SM3437-43 GaAs FET AmplifierThe SM3437-43 is a 3.4 to 3.7 GHz solid state GaAs FET amplifier designed for the Wireless Local Loop markets. The amplifier provides 50 dB of linear gain with a P1dB of +43 dBm. The unit provides ultra-linear performance for rigorous system requirements. It is available in modular form (standard), or in 19” rack mountable form.




Frequency Range

3.4 – 3.7 GHz

Pout (P1dB)

+43 dBm

Output Third Order Intercept Point (OIP3)

+54 dBm
Linear Gain 50 dB ± 1 dB

Gain Flatness (over full band)

± .5 dB
Gain Change (over temperature) ± .5 dB

Input/Output Return Loss

-16 dB / -16 dB

DC Input Voltage

+12 Volts
DC Input Current 8.5 Amperes (operational)
Mechanical Dimensions 7.50 x 3.97 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

  • Integrated Linearizer

  • Single Power Supply

  • Over Voltage Protection

  • Thermal Protection with Auto Reset

  • Temperature Compensation


  • Forward/Reverse Power Detection
  • RF Sampling Port
  • Pulse Control with switching speeds up to 100 kHz
  • Logic On/Off Control
  • Integral Heatsink
  • Module
  • 19” Rack Mount


Stealth Microwave's SM3437-43 Solid State GaAs FET Amplifier

Pin Description



Input Connector ( SMA Female )

- 6 dBm (max.)


Output Connector (SMA Female)

+ 43 dBm @ P1dB


RF Sample Port (SMA Female )

30 dBr

GND Ground Turret
FWD Forward Power Detector + 37 dBm Output Power ≈ + 2.5 Volts
REV Reverse Power Detector ∞ VSWR @ + 37 dBm ≈ + 5.0 Volts
+12VDC DC Input Voltage + 12 Volts @ 8.5 Amperes. (operational)
ON/OFF TTL Logic On/Off 0 Volts = Off, + 5 Volts = On
CNTL TTL Pulse Control Rates up to 100 kHz

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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    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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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