MMA Memo 165: System Design Considerations for the Atacama Array

MMA Memo 194 Astronomical Capabilities ofthe Current Design for theMillimeter Array

MMA Memo 190 : A System Design for the

Mma Memo No. 265 Cost-beneet Analysis of Alma Conngurations

A cost-beneet analysis for ALMA conngurations is conducted based on the previous analysis of the MMA conngurations by Holdaway (1998). In particular, the impacts of having a larger number of antennas and longer baselines on the overall array eeciency are addressed along with several practical concerns that may aaect the connguration plan.

Mma Project Book, Chapter 7 Section 2 Local Oscillators: Multiplier System Table 7.2.1 Lo Multiplier System Specifications Item Specification Power Output ~100 Microwatts per Receiver

This section describes a Local Oscillator (LO) system using modern multiplier chains. The conventional approach to generating local oscillator (LO) power for millimeter and submillimeter wave heterodyne mixers is to generate power at a lower frequency using a suitable phase-locked source, and to convert this power to the desired commensurate frequency using a nonlinear diode such as a varactor ...

MMA Memo 207: Wide Bandwidth, YIG-Based Sources and Modern Frequency Multipliers for the MMA Local Oscillator System

The conventional approach to generating local oscillator (LO) power for millimeterand submillimeter-wave heterodyne mixers is to generate power at a lower frequency using a suitable phase-locked source, and to convert this power to the desired commensurate frequency using a nonlinear diode such as a varactor in a frequency multiplier circuit. Although useful for single-dish telescope receiver s...