| 摘要 |
PROBLEM TO BE SOLVED: To provide an attenuator and an electronic circuit that produce a signal of desired magnitude.SOLUTION: The attenuator includes: a divider 12 for dividing an input signal into signals S1 and S2; a phase shifter 10a, 10b or 10c for controlling the phase of the input signal S2 to generate a signal S3; and a combiner 16 for combining the signal S3 and the signal S1 to generate a signal S4. The electronic circuit uses the attenuator. The configuration can produce a signal of desired magnitude. |
