A BJT has g_{m} = 38 mhos, r_{b^{'}e} = 5.9 kΩ , h_{ie} = 6 kΩ , r_{bb^{'}} = 100 Ω , C_{b^{'}c} = 12 pF, C_{b^{'}e} = 63 pF, and h_{fe} = 224 at 1 kHz. Calculate α and β cut-off frequencies and f_{T}.
A BJT has g_{m} = 38 mhos, r_{b^{'}e} = 5.9 kΩ , h_{ie} = 6 kΩ , r_{bb^{'}} = 100 Ω , C_{b^{'}c} = 12 pF, C_{b^{'}e} = 63 pF, and h_{fe} = 224 at 1 kHz. Calculate α and β cut-off frequencies and f_{T}.