Table 2. Operational scenarios (records) of LP EQM

Record no.	Channel	DMAC frequency (Hz)	DMAC amplitude (V)	WG frequency (Hz)	Bias voltage (V)	Output voltage (V)
0	DMAC	10	0.425	10	0.310	–2 – 13
1	DMAC	5	0.425	5	0.310	–2 – 13
2	DMAC	2	0.425	2	0.310	－2 – 13
3	DMAC	10	0.585	10	0.415	－3 – 13
4	DMAC	5	0.585	5	0.415	–3 – 8
5	DMAC	2	0.585	2	0.415	–3 – 8
6	DMAC	10	0.745	10	0.520	–4 – 10
7	DMAC	5	0.745	5	0.520	–4 – 10
8	DMAC	2	0.745	2	0.520	–4 – 10
9	WG	10	0.425	10	0.310	–2 – 6
10	WG	5	0.425	5	0.310	–2 – 6
11	WG	2	0.425	2	0.310	–2 – 6
12	DMAC	10	0.425	0	0.310	–2 – 13
13	DMAC	Editable	Editable	Editable	Editable	variable

LP, Langmuir probe; EQM, engineering qualification model; DMAC, direct memory access controller; WG, waveform generator.