. Electronic apparatus for biological research . Figure In Figure we have the pulse generator output and in b the pulse transformer output. Between pulses the polarity is such as to bias the diodes in the high resistance direction and the signal passes through to the load. (a) -=A A=J:l^^ (b) (c) Figure On the arrival of the pulses the diode bias reverses, changing them to low resistance, so that the signal output is attenuated as shown in Figure The attenuation produced during the clamp period with an ideal pulse transformer is 2 ^4«2 RESTORING Suppose we have a ge
. Electronic apparatus for biological research . Figure In Figure we have the pulse generator output and in b the pulse transformer output. Between pulses the polarity is such as to bias the diodes in the high resistance direction and the signal passes through to the load. (a) -=A A=J:l^^ (b) (c) Figure On the arrival of the pulses the diode bias reverses, changing them to low resistance, so that the signal output is attenuated as shown in Figure The attenuation produced during the clamp period with an ideal pulse transformer is 2 ^4«2 RESTORING Suppose we have a generator feeding a high-pass filter of the simplest kind as shown in Figure , and suppose the waveform of the generator is a train of 'saw-teeth'. This train might have the form of Figure , where the output moves between +2 'ind — | K, or b, where it is between 0 and + V, 112
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