another signal detector

Input is ECL logic, square wave or data, 5 MHz to 2 GHz/4 gbps. The
output will drive a comparator and an LED.


Version 4
SHEET 1 1724 680
WIRE -560 96 -704 96
WIRE -416 96 -480 96
WIRE -352 96 -416 96
WIRE -224 96 -272 96
WIRE -112 96 -160 96
WIRE 0 96 -112 96
WIRE 144 96 64 96
WIRE 208 96 144 96
WIRE -704 112 -704 96
WIRE -480 112 -480 96
WIRE 208 128 208 96
WIRE -112 144 -112 96
WIRE -560 224 -560 96
WIRE -480 224 -480 192
WIRE -480 224 -560 224
WIRE -704 240 -704 192
WIRE -112 256 -112 208
WIRE 208 256 208 192
FLAG 208 256 0
FLAG 144 96 OUT
FLAG -704 240 0
FLAG -416 96 ECL
FLAG -112 256 0
SYMBOL diode 0 112 R270
WINDOW 0 78 34 VTop 2
WINDOW 3 70 35 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT15
SYMBOL cap 192 128 R0
WINDOW 0 -66 31 Left 2
WINDOW 3 -76 61 Left 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL voltage -480 96 R0
WINDOW 0 30 104 Left 2
WINDOW 3 -50 231 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vhigh
SYMATTR Value PULSE(0 0.5 500u 125p 125p 125p 500p 100k)
SYMBOL cap -160 80 R90
WINDOW 0 70 34 VBottom 2
WINDOW 3 75 34 VTop 2
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL diode -96 208 R180
WINDOW 0 -76 46 Left 2
WINDOW 3 -98 15 Left 2
SYMATTR InstName D1
SYMATTR Value BAT15
SYMBOL res -256 80 R90
WINDOW 0 68 55 VBottom 2
WINDOW 3 76 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 200
SYMBOL voltage -704 96 R0
WINDOW 0 27 103 Left 2
WINDOW 3 -67 189 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vlow
SYMATTR Value PULSE(0 0.5 10u 125p 125p 100n 200n 250)
TEXT -424 -56 Left 2 !.MODEL BAT15 D(IS=130n RS=4.5 N=1.08 XTI=1.8
EG=.68\n+ CJO=260f M=.047 VJ=.11 FC=.5 BV=4 IBV=10U TT=25p)
TEXT -656 40 Left 2 !.tran 1m
TEXT -728 -56 Left 2 ;K420 Signal Detector
TEXT -696 -16 Left 2 ;JL Feb 14, 2020
TEXT -680 224 Left 2 ;5 MHz
TEXT -448 232 Left 2 ;2 GHz


--

John Larkin Highland Technology, Inc

The cork popped merrily, and Lord Peter rose to his feet.
"Bunter", he said, "I give you a toast. The triumph of Instinct over Reason"