Vedendo le specifiche di qualche apparato per onde convogliate, ho visto che lo stadio di uscita =E8 di solito dotato di un amplificatore in grado di erogare anche 1App e livelli di tensione tra 3.5Vpp e 7Vpp.
Quindi mi chiedevo se fosse possibile realizzarne uno in casa.
Grazie, Ciao
Allego fidocad e schema per ltspice.
[FIDOCAD ] MC 85 55 0 0 115 MC 85 35 0 0 115 LI 70 55 75 55 LI 75 55 75 75 LI 70 50 80 50 LI 80 50 80 70 LI 70 45 85 45 LI 70 40 70 30 LI 70 30 85 30 LI 85 30 85 35 LI 85 45 85 55 LI 85 65 85 75 SA 85 45 LI 80 70 85 70 SA 85 70 MC 90 50 1 0 200 LI 85 45 90 45 LI 90 45 90 50 LI 90 65 90 70 LI 90 70 85 70 LI 30 55 30 30 LI 45 55 30 55 LI 30 30 70 30 LI 45 50 45 75 LI 80 70 40 70 LI 40 70 40 45 LI 40 45 45 45 SA 80 70 LI 35 85 35 40 LI 35 40 45 40 SA 75 85 MC 75 75 1 0 170 LI 85 85 35 85 MC 85 75 1 0 170 MC 35 85 0 0 045 SA 35 85 MC 75 85 1 0 200 LI 45 75 45 100 SA 75 100 LI 45 100 90 100 MC 90 100 0 0 120 MC 110 100 2 0 170 MC 110 90 0 0 115 LI 85 85 110 85 LI 110 85 110 90 SA 85 85 MC 135 30 0 0 115 MC 135 50 1 0 200 MC 135 65 1 0 200 MC 135 90 0 0 115 MC 140 85 0 0 290 MC 140 45 0 0 280 LI 85 30 155 30 LI 155 30 155 35 LI 135 40 135 50 LI 135 80 135 90 LI 135 100 155 100 LI 155 100 155 95 LI 155 75 155 55 LI 140 85 135 85 LI 140 45 135 45 MC 120 45 0 0 170 MC 120 85 0 0 170 LI 130 45 135 45 LI 130 85 135 85 LI 120 45 120 100 LI 120 100 110 100 SA 110 100 SA 120 85 SA 135 85 SA 135 45 SA 135 30 MC 160 65 0 0 170 MC 175 80 1 0 080 LI 160 65 155 65 LI 170 65 175 65 LI 175 65 175 80 MC 175 100 0 0 045 LI 155 100 175 100 LI 175 100 175 90 SA 175 100 SA 155 100 SA 155 65 TY 55 45 5 3 0 0 0 * 555 TY 50 40 3 2 0 0 0 * 1 MC 45 40 0 0 600 SA 70 30 SA 85 30 TY 90 40 3 2 0 0 0 * 14k TY 80 60 3 2 90 0 0 * 22k TY 70 75 3 2 0 0 0 * 10n TY 90 75 3 2 0 0 0 * 220p TY 95 105 3 2 0 0 0 * 220u TY 100 95 3 2 0 0 0 * 4.7n TY 110 90 3 2 90 0 0 * 150 TY 120 40 3 2 0 0 0 * 2.2n TY 120 80 3 2 0 0 0 * 2.2n TY 130 35 3 2 0 0 0 * 1k TY 130 95 3 2 0 0 0 * 1k TY 165 60 3 2 0 0 0 * 1u TY 170 80 3 2 0 0 0 * 4 TY 160 35 3 2 0 0 0 * C945 TY 160 80 3 2 0 0 0 * 733 TY 160 40 3 2 0 0 0 * b669 TY 160 85 3 2 0 0 0 * b649 TY 35 25 3 2 0 0 0 * VCC=3D10v TY 55 40 3 2 0 0 0 * ICM7555-----------LTSPICE
Version 4 SHEET 1 1464 680 WIRE -480 160 -480 32 WIRE -480 256 -480 240 WIRE -480 272 -480 256 WIRE -144 32 -480 32 WIRE -144 352 -144 32 WIRE -96 400 -96 224 WIRE -80 512 -80 160 WIRE -32 544 -32 288 WIRE -16 160 -80 160 WIRE -16 224 -96 224 WIRE -16 288 -32 288 WIRE -16 352 -144 352 WIRE 208 448 208 352 WIRE 208 512 -80 512 WIRE 224 160 208 160 WIRE 224 160 224 112 WIRE 224 288 208 288 WIRE 224 352 224 288 WIRE 256 32 -144 32 WIRE 256 112 224 112 WIRE 256 112 256 32 WIRE 256 128 256 112 WIRE 256 224 208 224 WIRE 256 224 256 208 WIRE 256 256 256 224 WIRE 256 352 224 352 WIRE 256 352 256 336 WIRE 256 400 -96 400 WIRE 256 400 256 352 WIRE 256 448 256 400 WIRE 256 512 208 512 WIRE 320 544 -32 544 WIRE 352 224 256 224 WIRE 352 256 352 224 WIRE 352 400 256 400 WIRE 352 400 352 320 WIRE 432 544 320 544 WIRE 528 544 432 544 WIRE 672 544 608 544 WIRE 784 464 784 160 WIRE 784 544 736 544 WIRE 784 544 784 464 WIRE 784 560 784 544 WIRE 816 160 784 160 WIRE 896 32 256 32 WIRE 896 48 896 32 WIRE 896 160 880 160 WIRE 896 160 896 128 WIRE 896 192 896 160 WIRE 896 384 896 256 WIRE 896 464 848 464 WIRE 896 464 896 448 WIRE 896 512 896 464 WIRE 1072 160 896 160 WIRE 1072 160 1072 128 WIRE 1152 128 1072 128 WIRE 1152 464 896 464 WIRE 1216 32 896 32 WIRE 1216 80 1216 32 WIRE 1216 288 1216 176 WIRE 1216 416 1216 288 WIRE 1216 592 1216 512 WIRE 1280 288 1216 288 WIRE 1408 288 1344 288 WIRE 1408 416 1408 288 FLAG -80 512 0 FLAG -480 256 0 FLAG -672 240 0 FLAG -672 160 v- FLAG 1408 496 0 FLAG -464 368 VSIN FLAG -464 448 0 FLAG 320 608 0 FLAG 432 608 0 FLAG 896 592 0 FLAG 1216 592 0 FLAG 784 640 0 SYMBOL Misc\\NE555 96 256 R0 SYMATTR InstName U1 SYMBOL res 240 112 R0 SYMATTR InstName R1 SYMATTR Value 14K SYMBOL res 240 240 R0 SYMATTR InstName R2 SYMATTR Value 22K SYMBOL cap 240 448 R0 SYMATTR InstName C1 SYMATTR Value 220p SYMBOL cap 192 448 R0 SYMATTR InstName C2 SYMATTR Value 10n SYMBOL voltage -480 144 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL diode 336 256 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL ind 624 528 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName L1 SYMATTR Value 220=B5 SYMBOL cap 736 528 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value 4.7n SYMBOL voltage -672 144 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value -5 SYMBOL pnp 1152 512 M180 SYMATTR InstName Q1 SYMATTR Value 2N3906 SYMBOL res 1392 400 R0 SYMATTR InstName R3 SYMATTR Value 4 SYMBOL npn 1152 80 R0 SYMATTR InstName Q2 SYMATTR Value 2N3904 SYMBOL voltage -464 352 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value SINE(0 3.5 164.7K 11.0U) SYMBOL diode 336 608 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL zener 448 608 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D5 SYMATTR Value BZX84C12L SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 1344 272 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 1=B5 SYMBOL res 880 32 R0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL diode 880 192 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL diode 880 384 R0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL res 880 496 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL cap 880 144 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C5 SYMATTR Value 2.2n SYMBOL cap 848 448 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C6 SYMATTR Value 2.2n SYMBOL res 768 544 R0 SYMATTR InstName R4 SYMATTR Value 150 TEXT -514 648 Left 0 !.tran 100U TEXT 336 144 Left 0 ;10K+4k7pot TEXT 280 344 Left 0 ;15k