The oscillator circuit shown in the figure,
- Hartley oscillator with $f_{\text {oscillation }}=79.6 \; \mathrm{MHz}$
- Colpitts oscillator with $f_{\text {oscillation }}=79.6 \; \mathrm{MHz}$
- Hartley oscillator with $f_{\text {oscillation }}=159.2 \; \mathrm{MHz}$
- Colpitts oscillator with $f_{\text {oscillation }}=159.2 \; \mathrm{MHz}$