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Complete specifications for the Model 4070A are given in Chapter 9. 1 BK Precision 4070A User Manual Rev.2.2 1.1 Description Figure 1.1-1: 4070A front panel The Model 4070A is a versatile signal source capable of generating a variety of waveforms, including CW and wideband sweeps from D.C. to 21.5 MHz in steps of .01 Hz. The signals are generated using direct digital waveform synthesis (DDS) techniques for high accuracy and precision. AM, FM, PM, and FSK modulation types are available. A high sp