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16 APPENDIX 2: WAVEFORMS
16.1 QSK Switching
Figure 20
No “Hot switching”: The output relay (Top trace) switches first, and then the RF drive is applied (Bottom
trace)
16.2 Linearity
Linear Trapezoid Modulation Pattern
Figure 21
Sample of linearity curve obtained by using a two-tone generator and a PC oscilloscope in XY mode.
