mirror of
https://github.com/erik-toth/audio-synth.git
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Firmware pin defintions mapped to pcb; checked 3d files, frontplates left/right ok (changes were made by me), housing supporting structure is mssing (middle), 3d file for connector part is missing
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@@ -1,5 +1,5 @@
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VCA_LM13700
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*SPICE Netlist generated by Advanced Sim server on 14.12.2025 13:07:43
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*SPICE Netlist generated by Advanced Sim server on 06.02.2026 11:37:11
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.options MixedSimGenerated
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*Schematic Netlist:
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@@ -13,16 +13,19 @@ XIC1E NetIC1_16 NetIC1_15 NetIC1_14 NetIC1_13 OUT 0 OUT Uout ExtraNet_XIC1E_9
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+ ExtraNet_XIC1E_10 VAP ExtraNet_XIC1E_12 ExtraNet_XIC1E_13 ExtraNet_XIC1E_14
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+ ExtraNet_XIC1E_15 ExtraNet_XIC1E_16 LM13700-DUAL
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RR1 NetIC1_14 IN 3.3k
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RR2 OUT VCM 27k
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RR2a OUT NetR2a_2 20k
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RR2b NetR2a_2 VCM 6.8k
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RR3 Uout 0 5.1k
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RR4 VCM NetIC1_14 1.2k
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RR5 VCM NetIC1_13 1.2k
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RR_B NetR_B_1 NetR_B_2 100k
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RR_BASE_GAIN NetIC1_16 NetR_BASE_GAIN_2 10k
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RR_D VAP NetIC1_15 5.1k
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QT VAP NetR_B_1 NetR_BASE_GAIN_2 QBC547B
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RR_GAINA NetR_BASE_GAIN_2 NetR_BASE_GAIN_2 {100k * {GAIN}}
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RR_GAINB NetR_BASE_GAIN_2 U_ABC {100k - (100k * {GAIN})}
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QT VAP NetR_B_1 U_ABC QBC547B
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VU_VCO_EN NetR_B_2 0 DC 0 PULSE(3.3 0 0 4u 1u 20m 40m) AC 1 0
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VUin IN VCM DC 0 SIN(0 2V 440Hz 0 0 0) AC 1 0
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VUin IN VCM DC 0 SIN(0 0 440Hz 0 0 0) AC 1 0
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VUneg VCM 0 +5V
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VUpos VAP VCM +5V
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@@ -34,6 +37,7 @@ VUpos VAP VCM +5V
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.PLOT TRAN {i(R5)} =PLOT(6) =AXIS(1) =NAME(I_5) =UNITS(A)
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.PLOT TRAN {i(R4)} =PLOT(6) =AXIS(1) =NAME(I_4) =UNITS(A)
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.PLOT TRAN {2*(v(Uout)*0.663)} =PLOT(2) =AXIS(1) =NAME(Uout_buffer) =UNITS(V)
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.PLOT TRAN {v(U_ABC)} =PLOT(7) =AXIS(1) =NAME(U_ABC) =UNITS(V)
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.OPTIONS METHOD=GEAR MAXORD=2
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*Selected Circuit Analyses:
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