Path: ...!weretis.net!feeder9.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: Fast monostable with a transistpor array Date: Fri, 14 Jun 2024 11:08:56 -0400 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 157 Message-ID: References: Injection-Date: Fri, 14 Jun 2024 15:08:57 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="56290"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:UAw3eZuUO0sFx70jtcqT3zioCBY= sha256:QVF4cevUg9nnzyYoHZSxdaeqptiSbXkUToedcGLJrjY= sha1:sFedmKCZD27Sc41F4ac+G1npyas= sha256:iBaB+5GfeVPcXc4gMTisKWJKvJRVgLObUJHduOz4oDI= X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-RFC2646: Format=Flowed; Original X-MSMail-Priority: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Priority: 3 Bytes: 6351 "john larkin" wrote in message news:hilo6j9dgctalpiu4v09rpdavf6fetm1cv@4ax.com... > On Thu, 13 Jun 2024 23:25:37 -0400, "Edward Rawde" > wrote: > >>"Bill Sloman" wrote in message news:v4f2nm$2augj$1@dont-email.me... >>> One option John Larjkin doesn't seem to have explored is using Renesas HFA3096 five transistor array as basis for his >>> mononstable >>> and level shifter. >>> >>> It offers three 8GHz NPN parts and two 5.5GHz PNP parts in a single array. >>> >>> https://www.renesas.com/us/en/document/dst/hfa3046-hfa3096-hfa3127-hfa3128-datasheet?r=494216 >>> >> >>I put the NPN model parameters into a circuit designed by yourself. >>It's late now but I got as far as Time step too small. >> > > That is neither fast nor a monostable. Yes ok it's an astable and certainly not intended to be fast. It was intended only to see if the model worked. Nothing more. > > There's no reason to use many-GHz parts in micropower circuits. One > reason is that the sim breaks. > > I do wish people would comment Spice sims properly, with author, date, > and what-the-hell-this-actually-is-supposed-to-do. > > > I wonder what happened to James. I think all the flaming here drove > him away. James was fun. He always skis in short pants. > > > >>Version 4 >>SHEET 1 2848 1304 >>WIRE -592 528 -752 528 >>WIRE -240 528 -592 528 >>WIRE -64 528 -240 528 >>WIRE 32 528 -64 528 >>WIRE -64 544 -64 528 >>WIRE 32 560 32 528 >>WIRE -592 576 -592 528 >>WIRE -240 592 -240 528 >>WIRE -752 624 -752 528 >>WIRE -64 656 -64 624 >>WIRE -592 704 -592 656 >>WIRE -464 704 -592 704 >>WIRE -384 704 -464 704 >>WIRE -240 704 -240 672 >>WIRE -240 704 -320 704 >>WIRE -128 704 -240 704 >>WIRE -464 736 -464 704 >>WIRE -240 736 -240 704 >>WIRE -752 784 -752 704 >>WIRE -64 784 -64 752 >>WIRE 32 784 32 640 >>WIRE 32 784 -64 784 >>WIRE -592 832 -592 704 >>WIRE 32 832 32 784 >>WIRE -512 880 -528 880 >>WIRE -464 880 -464 816 >>WIRE -464 880 -512 880 >>WIRE -448 880 -464 880 >>WIRE -384 880 -320 704 >>WIRE -320 880 -384 704 >>WIRE -240 880 -240 816 >>WIRE -240 880 -256 880 >>WIRE -208 880 -240 880 >>WIRE -32 880 -208 880 >>WIRE -208 912 -208 880 >>WIRE -512 928 -512 880 >>WIRE -592 1008 -592 928 >>WIRE -512 1008 -512 992 >>WIRE -512 1008 -592 1008 >>WIRE -208 1008 -208 976 >>WIRE 32 1008 32 928 >>WIRE 32 1008 -208 1008 >>WIRE -592 1040 -592 1008 >>WIRE 32 1040 32 1008 >>FLAG 32 1040 0 >>FLAG -592 1040 0 >>FLAG -752 784 0 >>SYMBOL RES -608 560 R0 >>SYMATTR InstName R1 >>SYMATTR Value 1Meg >>SYMBOL res 16 544 R0 >>SYMATTR InstName R10 >>SYMATTR Value 2Meg >>SYMBOL cap -384 864 R90 >>WINDOW 0 0 32 VBottom 2 >>WINDOW 3 32 32 VTop 2 >>SYMATTR InstName C1 >>SYMATTR Value 1.5p >>SYMBOL cap -256 864 R90 >>WINDOW 0 0 32 VBottom 2 >>WINDOW 3 32 32 VTop 2 >>SYMATTR InstName C2 >>SYMATTR Value 1.5p >>SYMBOL VOLTAGE -752 608 R0 >>SYMATTR InstName V1 >>SYMATTR Value 5 >>SYMBOL npn -32 832 R0 >>SYMATTR InstName Q1 >>SYMATTR Value NUHFARRY >>SYMBOL npn -528 832 M0 >>SYMATTR InstName Q2 >>SYMATTR Value NUHFARRY >>SYMBOL res -256 720 R0 >>SYMATTR InstName R3 >>SYMATTR Value 4.7Meg >>SYMBOL res -480 720 R0 >>SYMATTR InstName R4 >>SYMATTR Value 4.701Meg >>SYMBOL cap -528 928 R0 >>SYMATTR InstName C3 >>SYMATTR Value 0.68p >>SYMBOL cap -224 912 R0 >>SYMATTR InstName C4 >>SYMATTR Value 0.68p >>SYMBOL npn -128 656 R0 >>SYMATTR InstName Q10 >>SYMATTR Value NUHFARRY >>SYMBOL RES -256 576 R0 >>WINDOW 3 30 76 Left 2 >>SYMATTR Value 1Meg >>SYMATTR InstName R2 >>SYMBOL RES -48 640 R180 >>WINDOW 0 36 76 Left 2 >>WINDOW 3 36 40 Left 2 >>SYMATTR InstName R11 >>SYMATTR Value 1Meg >>TEXT -768 1176 Left 0 !.tran 0 150u 50u startup >>TEXT -776 1112 Left 0 ;This example schematic is supplied for informational/educational purposes only.\nJuly 7, 2008 by Bill >>Sloman >>(but blame the Q10 output stage on James Arthur). >>TEXT -480 1176 Left 0 !.model NUHFARRY NPN\n+ (IS = 1.840E - 16 XTI = 3.000E + 00 EG = 1.110E + 00 VAF = 7.200E + 01\n+ VAR = >>4.500E >>+ 00 BF = 1.036E + 02 ISE = 1.686E - 19 NE = 1.400E + 00\n+ IKF = 5.400E - 02 XTB = 0.000E + 00 BR = 1.000E + 01 ISC = 1.605E - >>14\n+ NC = 1.800E + 00 IKR = 5.400E - 02 RC = 1.140E + 01 CJC = 3.980E - 13\n+ MJC = 2.400E - 01 VJC = 9.700E - 01 FC = 5.000E - >>01 >>CJE = 2.400E - 13\n+ MJE = 5.100E- 01 VJE = 8.690E - 01 TR = 4.000E - 09 TF = 10.51E - 12\n+ ITF = 3.500E - 02 XTF = 2.300E + 00 >>VTF >>= 3.500E + 00 PTF = 0.000E + 00\n+ XCJC = 9.000E - 01 CJS = 1.150E - 13 VJS = 7.500E - 01 MJS = 0.000E + 00\n+ RE = 1.848E + 00 RB >>= >>5.007E + 01 RBM = 1.974E + 00 KF = 0.000E + 00\n+ AF = 1.000E + 00) >>TEXT 112 640 Left 0 ;Q2's collector is loaded by C2,\nlimiting risetime. Q10 isolates\nQ1's collector, allowing that node\nto >>charge >>much more rapidly.\n \nQ10 doubles as a common-base\namplifier stage, further squaring up the\noutput from Q10's collector.\n >>\nThe >>new output is taken from\nQ10's collector.\n \nJames Arthur, 9-Jul-2008 >>