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If you have a transformer that can handle the voltage and not saturate at lower frequencies, but need more power, you can drive it with the Parallel Drive Configuration below.
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Application Notes
Amplifier Series Operation
Amplifier Push-Pull Operation
> Amplifier Parallel Operation
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This arrangement will increase the output voltage capabilities using two Model 7500 together.
The main concern with this type of configuration is the saturation of the transformer at low frequencies. A transformer that can handle the voltage and not saturate at low frequencies is recommended.
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With two Model 7500 Wideband Power Amplifiers and two transformers connected in the arrangement shown below, you can add the power from both amplifiers without concern for balancing output resistors.
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Application Notes
> Amplifier Series Operation
Amplifier Parallel Operation
Amplifier Push-Pull Operation
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