电路如图8.3.2所示,设运放是理想器件,电阻[tex=5.143x1.214]ZHiFedi54Jwk9SVa+GjjmlPpEFkfq8zLMO11zaiyXfg=[/tex], 为使该电 路能产生正弦波,则要求( ）。[img=438x386]17b4026e56dd1f0.png[/img] 未知类型：{'options': ['\xa0[tex=9.714x1.214]zO7b57B2OCkbFGcwThv0zeXBwizEszZ15IVg4KOZnIs9HoBzDQ4KIh2haxPUd2g8[/tex](可调)', '\xa0[tex=9.857x1.214]Ltao6DKpF5FjBxJg6wo9hyBW/jeSFrHBuD/jSjXuiu2/Ae2VlQpsGf03o1yZz/5z[/tex]\xa0(可调)', '[tex=9.714x1.214]QnmpxSbKti7/GR1DqbdoZpQn9xfy3aivhEt3NvE1pTF2IAXwZGtN7Fqwjd2xqH6D[/tex](可调)', '\xa0[tex=9.643x1.214]X5WLyRmV97kUDOKJnbT6HGZrvzbwCr6oCwpSC/VPgHykoo6TXAWaIoR1eiqVXtPF[/tex]\xa0(可调)'], 'type': 102}