The realization of an analog integrated circuit for conversion of double-sideband amplitude-modulated signals into single-sideband is presented. The converter is implemented by discrete-time switched-capacitor circuits, and it adopts structurally all-pass filters to realize a Hilbert transformer with low sensitivity to capacitor mismatch. The use of variable-gain amplifiers in place of frequency mixers greatly reduces circuit complexity and associated non-linearities. The chip is fabricated in a 180-nm CMOS technology with metal–metal capacitors. For 1.8-V power supply and 1-V differential input/output signals, experimental results show the converter achieves image rejection ratio (IRR) greater than 39.5 dB for lower-sideband modulation and 38.0 dB for upper-sideband modulation with input frequency ranging from 25% to 75% of the carrier frequency. Its silicon area is 1.09 mm $^{2}$ and the converter consumes only 17.7 mW for 1-MHz sampling frequency while its IRR presents standard deviation of only 0.5 dB among 20 chip samples without any circuit trimming.