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A-12. To permit wide-angle deflection of the beam.
A-13. Deflection factor.
A-14. A CRT, a group of control circuits, power supply, sweep circuitry, and deflection circuitry.
A-15. Lower.
A-16. Amplitude, phase, time, and frequency.
A-17. Dual-trace oscilloscopes.
A-18. Front end.
