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 <je...@hanler.com> 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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