AW: AW: VC envelopes

[Haible Juergen]

	> How about using the H11F1 opto fet (available from RS etc)?  A
0-16mA
	> current varies the ISOLATED fet's resistance between 300M and 200
Ohms.

Never tried on of these.
Questions: 
Matching between several devices?
Voltage range, i.e. is this a linear resistance only for a small voltage
range
(like an ordinary FET), or would it act like a resistor at 10V, too?

JH.