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请问这个图里的VCR在TINA里的什么选项里呢 没找到
TINA-TI里好像是没有，不过这两个链接中有提供：
https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design-tools-forum/608795/tina-spice-variable-resistor-in-tina
https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design-tools-forum/723559/tina-spice-how-to-make-a-resistor-value-depends-on-other-resistor
