Combinational circuits&colon; arithmetic circuits, code converters, multiplexers and decoders. Filters require more maintenance than catalytic converters. Exhaust manifolds are of tubular construction with integrated catalytic converters. Many analog to digital converters (ADCs) have a 12-bit resolution. Leaded gasoline contaminates the oxygen sensors and catalytic converters. The engine features four catalytic converters and advanced electronics. Vehicles without functioning catalytic converters generally fail emission inspections. These devices are digital-to-analog converters (DACs). CORDICs are often used in circuits for telecommunications such as digital down converters. Some models were also equipped without catalytic converters. Platinum is used in catalytic converters, electronics and jewelry. Below is a list of popular free video converters which support conversion to FLV. Most palladium is used for catalytic converters in the automobile industry. CeO is used as an oxidation catalyst in catalytic converters. Some palladium is emitted with the exhaust gases of cars with catalytic converters.