There are two parts to this figure. In part A the bottom end of the secondary of an i f transformer is grounded. The top end goes to the plate of a diode tube. The cathode connects through a resistor to ground. There is a cap in parallel with the res. There are two terminals labeled output, the bottom one connects to ground and the top one connects to the cathode of the diode. In part B The cathode of a diode is grounded. The plate of the diode connects to the top of an i f transformer secondary. The bottom end of the secondary connects through a resistor to ground. There is a cap in parallel with the res. There are two terminals labeled output. The top one connects to ground and the bottom one connects to the bottom end of the i f transformer secondary. End verbal description.
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