Sujet : Re: Random thoughts on sinewave oscillators
De : invalid (at) *nospam* invalid.invalid (Edward Rawde)
Groupes : sci.electronics.designDate : 21. Oct 2024, 22:01:06
Autres entêtes
Organisation : BWH Usenet Archive (https://usenet.blueworldhosting.com)
Message-ID : <vf6fek$2iaq$1@nnrp.usenet.blueworldhosting.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
User-Agent : Microsoft Outlook Express 6.00.2900.5931
"Bill Sloman" <
bill.sloman@ieee.org> wrote in message
news:vf5dkk$tubm$1@dont-email.me...On 20/10/2024 4:52 pm, Edward Rawde wrote:
"Edward Rawde" <invalid@invalid.invalid> wrote in message news:vf2569$2f0q$1@nnrp.usenet.blueworldhosting.com...
"Bill Sloman" <bill.sloman@ieee.org> wrote in message news:vf20si$96u8$1@dont-email.me...
On 20/10/2024 3:36 am, Edward Rawde wrote:
"Bill Sloman" <bill.sloman@ieee.org> wrote in message news:vevqip$3q3dn$1@dont-email.me...
On 19/10/2024 2:03 pm, Edward Rawde wrote:
"john larkin" <JL@gct.com> wrote in message news:j656hjp1rq659uh61k3q75bipaf386qqh1@4ax.com...
On Fri, 18 Oct 2024 18:58:43 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:
>
"Jeroen Belleman" <jeroen@nospam.please> wrote in message news:veumn5$3fbqu$1@dont-email.me...
On 10/18/24 23:19, Edward Rawde wrote:
"Cursitor Doom" <cd999666@notformail.com> wrote in message news:veuirv$3cmo3$10@dont-email.me...
On Fri, 18 Oct 2024 15:59:09 -0400, Edward Rawde wrote:
>
"Cursitor Doom" <cd999666@notformail.com> wrote in message
news:veucs2$3cmo3$9@dont-email.me...
On Fri, 18 Oct 2024 14:20:48 -0400, Edward Rawde wrote:
>
"Cursitor Doom" <cd999666@notformail.com> wrote in message
news:veu7kt$3cmo3$8@dont-email.me...
On Fri, 18 Oct 2024 13:47:02 -0400, Edward Rawde wrote:
>
"Cursitor Doom" <cd999666@notformail.com> wrote in message
news:veu45s$3cmo3$5@dont-email.me...
On Fri, 18 Oct 2024 11:25:19 -0400, Edward Rawde wrote:
>
"piglet" <erichpwagner@hotmail.com> wrote in message
news:vetde5$38sbk$1@dont-email.me...
Edward Rawde <invalid@invalid.invalid> wrote:
>
<snip>
>
I don't think the circuit below can be improved on in simulation and it's anybody's guess what reality would say.
Shouldn't be hard to get 60dB down with a suitable filter.
Version 4
SHEET 1 2196 916
WIRE -352 -608 -480 -608
WIRE 128 -608 -352 -608
WIRE -160 -496 -256 -496
WIRE 48 -496 -160 -496
WIRE 496 -496 112 -496
WIRE -160 -480 -160 -496
WIRE -256 -464 -256 -496
WIRE -256 -368 -256 -400
WIRE -160 -368 -160 -400
WIRE -160 -368 -256 -368
WIRE -256 -320 -256 -368
WIRE -256 -320 -304 -320
WIRE -160 -256 -256 -256
WIRE -16 -256 -160 -256
WIRE 48 -256 -16 -256
WIRE 496 -256 496 -496
WIRE 496 -256 112 -256
WIRE -160 -240 -160 -256
WIRE -256 -224 -256 -256
WIRE -16 -176 -16 -256
WIRE -304 -128 -304 -320
WIRE -256 -128 -256 -160
WIRE -256 -128 -304 -128
WIRE -160 -128 -160 -160
WIRE -160 -128 -256 -128
WIRE -80 -128 -160 -128
WIRE -48 -128 -80 -128
WIRE 80 -128 48 -128
WIRE 160 -128 80 -128
WIRE 256 -128 240 -128
WIRE 320 -128 256 -128
WIRE 448 -128 400 -128
WIRE -304 -80 -304 -128
WIRE 496 -80 496 -256
WIRE -80 -64 -80 -128
WIRE -32 -64 -80 -64
WIRE 64 -64 48 -64
WIRE 80 -64 80 -128
WIRE 80 -64 64 -64
WIRE 256 -16 256 -128
WIRE 304 -16 256 -16
WIRE 448 -16 448 -128
WIRE 448 -16 384 -16
WIRE -304 32 -304 0
WIRE 256 64 256 -16
WIRE 256 64 48 64
WIRE -480 80 -480 -608
WIRE 128 96 128 -608
WIRE -352 112 -352 -608
WIRE 48 112 48 64
WIRE 96 112 48 112
WIRE 432 128 160 128
WIRE 448 128 448 -16
WIRE 448 128 432 128
WIRE 496 128 496 0
WIRE 496 128 448 128
WIRE 608 128 496 128
WIRE 656 128 608 128
WIRE 96 144 -80 144
WIRE -80 224 -80 144
WIRE 16 224 -80 224
WIRE 224 224 16 224
WIRE 304 224 288 224
WIRE 432 224 432 128
WIRE 432 224 384 224
WIRE -80 240 -80 224
WIRE 16 240 16 224
WIRE -480 320 -480 160
WIRE -480 320 -560 320
WIRE -560 336 -560 320
WIRE -480 336 -480 320
WIRE -352 336 -352 176
WIRE -352 336 -480 336
WIRE -336 336 -352 336
WIRE -80 336 -80 320
WIRE -80 336 -336 336
WIRE 16 336 16 304
WIRE 16 336 -80 336
WIRE -480 464 -480 336
WIRE -336 496 -336 336
WIRE -480 656 -480 544
WIRE -336 656 -336 560
WIRE -336 656 -480 656
WIRE 128 656 128 160
WIRE 128 656 -336 656
WIRE 464 656 128 656
FLAG -560 336 0
FLAG 64 -64 TP
FLAG 608 128 output
FLAG -304 32 0
SYMBOL voltage -480 64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 10 135 Left 2
WINDOW 0 12 7 Left 2
WINDOW 3 15 104 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 400 208 R90
WINDOW 0 -20 5 VBottom 2
WINDOW 3 21 -5 VTop 2
SYMATTR InstName R1
SYMATTR Value 10.5k
SYMBOL cap 288 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 15n
SYMBOL cap 32 304 R180
WINDOW 0 -33 54 Left 2
WINDOW 3 -49 18 Left 2
SYMATTR InstName C2
SYMATTR Value 15n
SYMBOL polcap -368 112 R0
SYMATTR InstName C4
SYMATTR Value 100�
SYMBOL OpAmps\LT1057 128 64 R0
SYMATTR InstName U2
SYMBOL res -176 -256 R0
SYMATTR InstName R6
SYMATTR Value 47k
SYMBOL res 256 -144 R90
WINDOW 0 -1 46 VBottom 2
WINDOW 3 35 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 6.34k
SYMBOL res 416 -144 R90
WINDOW 0 -4 61 VBottom 2
WINDOW 3 39 55 VTop 2
SYMATTR InstName R8
SYMATTR Value 13k
SYMBOL schottky 48 -240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL njf 48 -176 R90
WINDOW 0 -38 17 VRight 2
WINDOW 3 -9 -11 VRight 2
SYMATTR InstName J1
SYMATTR Value J112
SYMBOL voltage -480 448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 10 135 Left 2
WINDOW 0 383 -483 Left 2
WINDOW 3 15 104 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL polcap -352 496 R0
SYMATTR InstName C5
SYMATTR Value 100�
SYMBOL res -96 224 R0
SYMATTR InstName R2
SYMATTR Value 10.5k
SYMBOL cap -240 -160 R180
WINDOW 0 -27 59 Left 2
WINDOW 3 -33 2 Left 2
SYMATTR InstName C3
SYMATTR Value 10�
SYMATTR Description Polarized Capacitor
SYMATTR Type polcap
SYMATTR SpiceLine V=4 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM155R60G106ME15" type="X5R"
SYMBOL res 64 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 330
SYMBOL res 400 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 820k
SYMBOL schottky 112 -512 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -176 -496 R0
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL cap -240 -400 R180
WINDOW 0 -27 61 Left 2
WINDOW 3 -37 8 Left 2
SYMATTR InstName C6
SYMATTR Value 10�
SYMATTR Description Polarized Capacitor
SYMATTR Type polcap
SYMATTR SpiceLine V=4 Irms=0 Rser=0 Lser=0 mfg="Murata" pn="GRM155R60G106ME15" type="X5R"
SYMBOL res 480 -96 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res -320 -96 R0
SYMATTR InstName R10
SYMATTR Value 2.2
TEXT -184 472 Left 2 !.tran 0 20s 5s startup