Yes, and I assume you would need an FET that acted like the CLD.  I believe the 
MCL1302 is a 2mA device.  I doubt I’[ll get the model working, which would be 
ideal.

> On Jan 29, 2017, at 3:20 PM, Bruce Griffiths <[email protected]> 
> wrote:
> 
> A CLD is merely a JFET with the gate connected to the source.Sometimes a 
> source resistor may be included with the gate connected to the opposite end 
> of the resistor to the end connected to the source.
> Bruce 
> 
>    On Monday, 30 January 2017 12:12 PM, Jerry Hancock <[email protected]> 
> wrote:
> 
> 
> One of the items I am having trouble modeling is a CLD, current limiting 
> diode, MCL1302.  The CLDs are used between he base and collectors on the 
> output stage 2n2219 / 2n2905.  I swapped them on the board with no impact on 
> the problem.  I can’t find CLDs in LTSPICE.
> 
> The other diode I can’t read and it is used cathode to cathode in a weird 
> arrangement.  The diode is roughly 1/2 the length (in this case height) of a 
> 1n4148.  It measures as a diode with .51V forward.  I have a hard time 
> telling if it actually has a cathode band.  I haven’t pulled it out but I 
> guess I’ll have to and put it under the microscope to see if there is a 
> number on it.  I have a lot of very low forward voltage switching diodes and 
> Schottky type so I probably have it on-hand if I can get a number off of it.
> 
> I spent some more time on the circuit today.
> 
> By the way, even though the Parent company, was General Resistance, now Prime 
> Technology, said they would sell me a CSA, they said they won’t share the 
> schematic.
> 
> Thanks again.
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