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A transistor amplifier circuit * .tran 1e-5 2e-3 * vin 1 0 0.0 ac 1.0 sin(0 1 1k) * ccouple 1 in 10uF rzin in 0 19.35k * aamp in aout gain_block .model gain_block gain (gain = -3.9 out_offset = 7.003) * rzout aout coll 3.9k rbig coll 0 1e12 * .end