On Sat, Nov 23, 2024 at 05:12 AM, Jerry Gaffke wrote:
In summary, any genuine SN74ACT08 in the SOIC-8 footprint (speciified by a final D) should work fine.
On Sat, Nov 23, 2024 at 02:31 AM, Dave (G8PTN) wrote:
If the BS170 can fail with a low resistance between Gate<>Source or Gate<>Drain, the ACT08 is likely to fail due to the excessive sink or source current.
Jerry, Dave, Thanks!
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My QMX+ is transmitting again. Replacing the BS170s AND the SN74ACT08 SOIC quad logic gate driver did the trick.
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73,
Cal (AD8Q)
