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1176 Compressor/Limiter Schematic. Title. 1176 Compressor/Limiter Schematic. Created Date. 10/7/2022 3:12:49 PM.
The 1176LN Limiting Amplifier circuit is composed by three stages: input circuit, gain reduction (GR) circuit and output circuit. Figure 3 shows the block diagram of the 1176. Figure 3. 1176LN Block diagram. Signal compression is performed by the gain reduction stage (GR circuit, preamp and GR control circuit).
The schematic shown in Figure 1 is a basic soft-knee compressor/limiter circuit that can be used as-is or as the basis for a more sophisticated design. The circuit consists of a THAT2180C VCA, a THAT2252 RMS level detector, a few op-amps, and a handful of passive components. An alternative would be to use a single THAT4301 (which comprises the VCA,
compressor/limiter designs. This application note describes in detail the circuitry for two basic com-pressor/limiter designs using these devices. The first design is an above-threshold, hard-knee compressor with variable ratio, thresh-old and gain controls. The second design adds a soft-knee threshold. Suggestions for alignment are
This design demonstrates a full-blown compressor/limiter with some neat bells and whistles. With a THAT 4301 at its heart, excellent performance is coupled with reduced parts count and minimal cost. A non-linear capacitor circuit is used to provide low distortion for slow moving signals, but
The 1176 Peak Limiter is a dynamic range compressor designed by the American engineer Bill Putnam and introduced by UREI in 1967. Derived from the 175 and 176 tube compressors, it marked the transition from vacuum tubes to solid-state technology.
CLX-52 Compressor/Limiter A great deal of time was spent developing a wide-bandwidth, ultra-low-distortion, low noise VCA (voltage controlled amplifier). The result is the CLX-52, a versatile and highly listenable compressor/limiter suitable for use in professional sound reinforcement, recording and broadcasting.
