… N/A 10K????? 10K????? 20K????? VOLTAGE GAIN R F Table 1 Figure 2 INTERNAL COMPENSATION Since the MSK 604 is a high voltage amplifier, it is commonly used in circuits … APPLICATION NOTES Transition time optimization of the MSK 604 follows the same basic rules as most any other amplifier. Best transition times will be realized with minumum load capacitance, minimum external feedback resistance and lowest circuit gain. Transition times will degrade if the output is driven too close to either supply rail.

The MSK 604(B) is a high voltage wideband amplifier designed to provide large negative voltage swings at high slew rates in wideband systems. The true inverting op-amp topology employed in the MSK 604 provides excellent D.C. specifications such as input offset voltage and input bias current. These attributes are important in amplifiers that will be used in high gain configurations since the input error voltages will be multiplied by the system gain. The MSK 604 achieves impressive slew rate specifications by employing a feed forward A.C. path through the amplifier; however, the device is internally configured in inverting mode to utilize this benefit. Internal compensation for gains of -5V/V or greater keeps the MSK 604 stable in this range. The MSK 604 is packaged in a space efficient, hermetically sealed, 12 pin power dual in line package that has a high thermal conductivity for efficient device cooling. DESCRIPTION: EQUIVALENT SCHEMATIC…… The MSK 604 employs a circuit topology known as “feed forward”. This inverting configuration allows the user to realize the excellent D.C. input characteristics of a differential amplifier without losing system bandwidth. The incoming signal is split at the input into it’s A.C. and D.C. components. The D.C. component is allowed to run through the differential amplifier where any common mode noise is rejected. The A.C. component is “fed forward” to the output section through a very high speed linear amplifier where it is mixed back together with the D.C. component. The result is an amplifier with most of the benefits of a differential amplifier without the loss in system bandwidth.

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