Bill Garber wrote:
"Alex Freed" <alexf@mirrow.com> wrote in message NcCdnavf1cAVkgXenZ2dnUVZ_s2dnZ2d@comcast.com">news:NcCdnavf1cAVkgXenZ2dnUVZ_s2dnZ2d@comcast.com...Wow! How many solutions for a non-problem! There is no need for an amplifier for a simple reason that the tape output is driven by a full TTL signal. Almost 5 volts. The reason the signal is weak at the jack is because of 2 resistors forming a divider. -------------R-------------------> | R | ___Cut the lower one and enjoy full 5 volts. Or replace with say 4-5 K resistor to get line level.Excellent solution Alex. However, the INPUT was the one in question.
Actually, it's the *output* that is attenuated to millivolt levels for a microphone input to a cassette recorder. The input is amplified and clipped to accept a 1vpp signal. -michael Music synthesis for 8-bit Apple II's! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it is seriously underused."