| AD606 | Analog Devices | 50 MHz, 80 dB Demodulating Logarithmic Amplifier with Limiter Output |
| AD640 | Analog Devices | 120 MHz, 50 dB Demodulating Logarithmic Amplifier |
| AD641 | Analog Devices | 250 MHz, 44 dB Demodulating Logarithmic Amplifier |
| AD8304 | Analog Devices | 160 dB Logarithmic Amplifier with Photo-Diode Interface |
| AD8306 | Analog Devices | 5 - 400 MHz, 100 dB High Precision Limiting - Logarithmic Amplifier |
| AD8307 | Analog Devices | Low Cost, DC - 500 MHz, 92 dB Logarithmic Amplifier |
| AD8309 | Analog Devices | 5 - 500 MHz, 100 dB Demodulating Logarithmic Amplifier with Limiter Output |
| AD8310 | Analog Devices | Fast Response, DC - 440 MHz, Voltage Out, 90 dB Logarithmic Amplifier |
| ICL8048 | Intersil | |