Federal Limiter AM864 thread. Federal Limiter AM864 thread. The detector is half-wave, and will give inconsistent peaking on asymmetrical waves.
It is slow and that can't be changed. That's what stuck out to me when I first saw the circuit some time ago. Federal-AM-864-U-Manual.pdf (application/pdf Object) Federal AM 864 U Manual. 91611d1218778659-federal-am864-u-limiter-current-control-manual-am864u. Federal AM864/U Limiter "Current Control", manual. 100_1665.jpg (JPEG Image, 2064 × 1403 pixels) - Scaled (65%) Untitled Normal Page.