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In the following transistor circuit, $V_{B E}=0.7 \mathrm{~V}, r_{e}=25 \; \mathrm{mV} / I_{E},$ and $\beta$ and all the capacitances are very large.


The mid-band voltage gain of the amplifier is approximately

  1. $-180$
  2. $-120$
  3. $-90$
  4. $-60$
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