34 lines
520 B
Plaintext
34 lines
520 B
Plaintext
Relaxation oscillator
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* ST AN4071, Fig. 26
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* www.st.com/resource/en/application_note/dm00050759.pdf
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.include Opamps_Comparators_ST.lib
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XICOMP2 VM1 VP1 VS1 VCCP VCCN TS302X
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* http://www.st.com/resource/en/cad_symbol_library/opamps_comparators_st.zip
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vdd vccp 0 5
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vss vccn 0 0
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R1 vs1 vm1 10k
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R2 vp1 0 10k
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R3 vp1 vccp 10k
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R4 vs1 vp1 10k
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C1 vm1 0 1n
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.tran 100n 500u uic
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.option rshunt=1e12
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.control
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save vs1 vm1 vp1
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run
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rusage time
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plot vs1 vm1 vp1
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linearize vs1
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fft vs1
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plot mag(vs1) xlimit 1k 100k
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.endc
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.end
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