APPLICATION

The Model 8850-2 200-watt High Power Sweep Generator was specifically designed for use with the Solar Audio Isolation Transformers in making audio frequency susceptibility tests as required by MIL-STD-461E/F CS101. This high power unit is especially suited for rapidly making
tests in the shielded room.

When used with the Type 6220-1A or 6220-2 Audio Isolation Transformer, the combination enables the injection of sinewave audio voltages into active power lines supplying power to Equipment Under Test (EUT).

DESCRIPTION

The Model 8850-2 Power Sweep Generator provides audio power in a manually tuned or sweeping mode for four frequency bands covering 30 Hz to 150 KHz. The sweep rate is compliant with the requirements of Mil-Std-461F for an analog scan, approximately 0.0333 x frequency of oscillation per second.

The frequency in kHz and output level in volts r.m.s. are continuously displayed on two digital front panel meters.

When used in conjunction with the Type 7021-1 Phase Shift Network and the Type 6220-1A Audio Isolation Transformer, provision is made for sensing the audio voltage being injected into the EUT and displaying it on the digital panel meter. In this arrangement, the unit maintains a constant injection level (up to a maximum of 7.5 volts r.m.s.) as the frequency is scanned to 50 kHz.

FEATURES

• Manual or automatic frequency sweep from 30 Hz to 150 KHz.
• Digital display of frequency and output
  voltage level or injected voltage level.
• Remote sensing of voltage being
  injected into the Equipment Under Test.
• Automatic leveling of output voltage as
  frequency is scanned or swept to 50 kHz.
• Low output impedance for greater transfer of audio power.
• Protective circuits prevent damage
  to output stage caused by power frequency feedback in typical a.c.
  test setups.
• Up to 200 watts output into 2.0 ohm resistive load.