-- card: 52527 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 4601 -- name: #235 ----- HyperTalk script ----- on openCard global group,rightone put 20 into group put "B" into rightone pass openCard end openCard -- part contents for background part 20 ----- text ----- Question #235 -- part contents for background part 1 ----- text ----- T7A06 What circuit combines signals from an IF amplifier stage and a beat-frequency oscillator (BFO), to produce an audio signal? -- part contents for background part 11 ----- text ----- An AGC circuit -- part contents for background part 27 ----- text ----- A detector circuit -- part contents for background part 28 ----- text ----- A power supply circuit -- part contents for background part 29 ----- text ----- A VFO circuit -- part contents for background part 43 ----- text ----- Correct answer is B