Krohn-Hite 7500

7500 Krohnhite RF Amplifier

1 MHz, Wideband Amplifier

The 7500 is a 1 MHz 75 Watt RF Amplifier from Krohnhite. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more.

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The 7500 Wideband Power Amplifier is a direct-coupled wideband amplifier that offers extended output power and voltage capabilities, low distortion, an advanced, and all solid state design.

It provides more than 75 watts of continuous power (150 watts at DC), and 125 volts RMS from DC to 100kHz. Frequency response is typically flat to within 0.05dB over most of its range. In addition, the unit typically contributes only 0.05% of total harmonic distortion, at full power output, up to 10kHz.

The voltage gain of the unit is non-inverting, and can be selected for either 20dB(10) or 40dB(100) of fixed gain, or continuously adjustable from zero to 40dB. The unit also provides either direct (DC) or capacitive (AC) input coupling.
  • Frequency Range: DC to 1MHz
  • Frequence Response: Less than ±0.1 dB
  • Distortion: Less than 0.1%
  • Maximum Voltage: 140 Volts RMS, Open Circuit
  • Voltage Gain: 0 to 40 dB