Alternate Current-Condensers

Lecture 10: Condensers

Dimension Expanders via Rank Condensers

An emerging theory of “linear-algebraic pseudorandomness” aims to understand the linear-algebraic analogs of fundamental Boolean pseudorandom objects where the rank of subspaces plays the role of the size of subsets. In this work, we study and highlight the interrelationships between several such algebraic objects such as subspace designs, dimension expanders, seeded rank condensers, two-source...

Thermodynamic Design of Condensers and Evaporators: Thermodynamic Design of Condensers and Evaporators: Formulation and Applications

This paper assesses the approach introduced in a prior publication for the optimum design of condensers and evaporators aimed at balancing the heat transfer and pressure drop tradeoffs. Case studies carried out with different heat exchanger configurations for light commercial and household refrigeration applications are reported. The analysis indicated that a heat exchanger design with a high a...

Spherical gravitating condensers in general relativity

By a spherical gravitating condenser we mean two concentric charged shells made of perfect fluids restricted by the condition that the electric field is nonvanishing only between the shells. Flat space is assumed inside the inner shell. By using Israel’s formalism we first analyze the general system of N shells and then concentrate on the two-shell condensers. Energy conditions are taken into a...

Alternate Test of RF Mixers by Current Signatures

This paper describes an alternate test methodology for radio-frequency mixers. The methodology is based on current signatures obtained by sampling the filtered supply current when the circuit-under-test is stimulated by a single tone sinusoidal. Sampling of supply current instead of voltage eliminates the parasitics and loading due to test circuitry on the signal path, hence provides a non-inva...