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EQUIPMENT REQUIRED

  1. Microwave Sweep Generator with minimum sweep bandwidth of 1.0- to 26.5 GHz
  2. KRYTAR Directional Coupler, Model 2620 with bandwidth of 1.0 to 26.5 GHz.
  3. KRYTAR Model 9000B Power Meter with 9530A Power Sensor and IEEE-488 Interface Option.
  4. Amplifier Under Test. Bandwidth may be anywhere between 1.0 to 26.5 GHz.
  5. KRYTAR Model 9000B Power Meter with 9530A Power Sensor and IEEE-488 Interface Option.
  6. Dual Trace X-Y Oscilloscope with horizontal sweep input
  7. Computer that will accept IEEE-488 measurements from each of two power meters
  8. Printer

WHAT DOES IT MEASURE?

  1. CW and Swept Power Input to the Amplifier Under Test. Accurate CW Power Input may be read directly from the digital display of the Power Meter. Swept Power Input is displayed on the Oscilloscope.
  2. CW and Swept Power Output from the Amplifier Under Test. Accurate CW Power Output may be read directly from the digital display of the Power Meter. Swept Power Output is displayed on the Oscilloscope.
  3. Gain may be calculated (Power Output minus Power Input).
  4. Swept gain flatness (Power Output Curve) is displayed on the Oscilloscope.
  5. CW Output Power at 1 dB can be derived (Point where CW Output Power is 1 dB less than CW Input Power as Input Power is increased)
  6. CW Saturated Output Power can be derived (The point at which the CW Output Power does not increase when Input Power continues to be increased).
  7. P1dB and Psat may also be read directly from the oscilloscope by comparing swept Output Power versus swept Input Power.

MICROWAVE & RF AMPLIFIER POWER INPUT VS. POWER OUTPUT 

 

The sweeper generates a microwave frequency of 1.0 to 26.5 GHz with a leveled power output of up to +10 dBm. The power goes through the coupler to the Amplifier Under Test. 20 dB of the power is coupled to a KRYTAR Power Meter. The meter can read a CW Power Range of -30 to + 20 dBm and is usable to -39 dBm. See KRYTAR Data Sheet (located on KRYTAR Website www.Krytar.com) for full specifications. The KRYTAR Power Meter is able to measure swept power at a 100 ms sweep rate. A 200 ms sweep rate is suggested for this measurement.

Krytar Directional Coupler Primer Page Call-to-Action Download PDF

KRYTAR Ultra-Broadband Microwave Components and Test Equipment DC-67 GHz

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