Band 6 Cartridge Test Memos, Data, and Photos

Note: These documents were written prior to transitioning to the ALMA EDM server, which is private.

Revised: Tue 2017-08-29 12:36:00

Memos (All documents are 'pdf' files)
Title of Document	Date
Production Schedule for ALMA-B and ALMA-J	2007-09-20
Meeting Minutes, Revised Action Plan, and Schedule to Investigate and Resolve Out-of-Spec Beam	2007-02-15
Action Plan to Investigate Sidelobes in Band 6 Cartridges	2007-02-13
Band 6 Cartridge Gain Stability Anomalies with Rev C2 Bias Supplies (with Dave Schmitt)	2007-01-10
Noise Temperature and Gain Slope Considerations for Band 6 Cartridge Operating over 4-12 GHz (with John Webber)	2006-09-11
ALMA Document Status	2006-09-08
ALMA Front End Allan Variance Predictions vs. Antenna Cabin Temperature Stability (with Kamaljeet Saini)	2006-06-28
Cascade Noise Analysis of Band 6 Cartridge	2006-06-14
Band 6 Cartridge Power Density Slope Correction Using Warm IF Amps	2006-05-17
Slope Correction Using Warm IF Amps for Band 6 Cartridges	2006-05-11
Gain Slope Measurements of Band 6 Cartridges 001 and 003	2006-04-28
Mutual Interference Measurements Between Band 6 Mixer and Cartridge Test Systems	2006-03-31
Warm IF Cable Contributions to Overall Front End Phase Change with Temperature (With Kalmaljeet Saini and Dave Schmitt)	2006-03-07
Load Times on ALMA EDM	2006-01-27
Gain Stability Measurements for ALMA Band 6 Cartridge 002 (with Dave Schmitt)	2005-11-29
Leak Test Results For Band 7 300K Plate Measured by the NRAO	2005-10-12
GaAs LO Power Amplifier Measurements in Band 6 Cartridge	2005-10-05
Draft Requirements for Organizing “Rework” Jobs in Machine Shop	2005-07-26
Measured Parallelism of Band 6 Cartridge SN000 (Prototype Cartridge) (with Neil Horner)	2005-07-27
Leak Test Results for Band 6 Cartridge SN002 (with Neil Horner and Ralph Groves)	2005-05-20
Review of Band 6 Cartridge Measurement Data in RAL Cryostat and Cartridge Test Systems	2005-05-17
Comparison of Band 6 Cartridge Measurements in RAL Dewar and Cartridge Test Systems	2005-05-03
Leak Test Procedure for Waveguide Windows (with Neil Horner and Ralph Groves)	2005-04-13
Comparison of Measurements from Mixer and Cartridge Test Systems	2005-04-05
Mechanical Inspection of Mixer Blocks 101 to 120 (with Francoise Johnson)	2005-03-24
Leave Calendar Program Architecture and Design	2005-03-10
Mixer Noise Temperature Changes as Function of Mixer Physical Temperature (with Groves)	2005-03-03
Justification for Upgrading the JT-2 Measurement System to Test Wafers for Band 6 Mixers	2005-02-01
Comparison of Calculated and Measured Data for Mirrors used in ALMA Band 6 Cartridges (with Morris)	2005-01-26
Protection of Cryo-3 HFETs Used in the in ALMA Band 6 Cartridge	2004-10-15
Gain Stability Measurements of Band 6 Prototype Cartridge	2004-09-15
Measured Parallelism and Concentricity of Band 6 Cartridge (with Morris and Marshall)	2004-09-09
Chopper Upgrades (Lin Qiu Summer 2004)	2004-08-16
Problems with PLL Attenuators in Production LO	2004-05-21
Initial Measurements of Noise Power Density for an ALMA Band 6 Mixer-Preamp	2004-02-16
User's Guide and Software Design of Web-Based Task Tracking System	2004-01-28
Optimum Mixer Heater Resistor	2003-11-19
How and Why do Engineers Use Math (Lecture to 5th Grade Class)	2003-11-12
Programming LakeShore 218 Temperature Monitors with Calibration Data from DT-670 Sensors	2003-10-03
Gain Stability with No Cold InP Amps (with Lauria)	2003-09-26
Mixer Measurement Sequences	2003-09-05
Notes on Gain Stability Measurements of 13 Jun 2003	2003-08-22
Power Variation from Gain and Noise Temp Changes with Frequency for ALMA Band 6 Cartridge	2003-08-14
Recent Data for Saturation Measurements of Single-Ended SIS Mixer-Preamp for ALMA Band 6: UVA10-03-L1362A-0403-2-HH-C14-L56-3-SIS375C-103-P14	2003-08-13
Development of a System to with Chopper Wheel and Fast Power Meter Measurements	2003-06-04
Unified Software Design for ALMA Front End Test Systems	2003-05-23
Kiwanis Talk: “The Central Development Lab and the and the National Radio Astronomy Observatory”	2003-05-20
Viewgraphs from IEEE Tour of Central Development Lab	2003-04-03
Saturation Measurements of Single-Ended SIS Mixer-Preamp for ALMA Band 6	2003-04-16
Software Specifications: ALMA Band 6 Cartridge Measurement System	2002-12-18
Gain vs. LO Power of SIS Mixer/Preamps for ALMA Band 6	2002-11-26
User’s Guide and Software Design of NTC’s Machine Shop Job Tracking System	2002-11-15
Database Design for Cartridge and Mixer Test Data	2002-10-17
Summer Student Final Report	2002-08-29
Proposed System to Track Effort Expended for ALMA Band 6 Cartridge Construction	2002-07-31
Database query to Retrieve Latest Excitation and Results Records	2002-05-17
Software Design for Automated LO	2002-04-15
Mixer/Preamp Interfaces for ALMA Band 6 Cartridge	2002-04-10
Cool-downs of JT-1 Dewar Compared to JT-2	2002-02-26
Isolated Level Control for the Automated LO System	2002-01-30
Measurement of Equivalent Noise Temperatures From Mixer Local Oscillators	2002-01-18
Measurement of WR-10 Quartz Windows Using Power Meter and Network Analyzer	2001-11-28
Stability Analysis of SIS Mixer Bias Supply with 1 K Ohm Isolation Resistors (also EDTN 189)	2001-11-20
NRAO HFET Amplifier Gain Compression Measured with Noise	2001-11-02
Initial Low Frequency Power Spectrum Measurements	2001-07-13
Comparison of Receiver Noise Temperatures Measured with Conical and Chopper-Based Loads	2001-06-29
JT-1 Initial Test Configuration	2001-06-26
Measurement of WR-10 Quartz Windows	2001-06-21
Measurement of SIS Mixer Type II Bias Supply Frequency Response	2001-05-03
Error Sensitivity for Noise Temperature Measurements	2001-05-01
LO Requirements for Automated Mixer Testing	2001-02-27
Production Test Dewar Interfaces for Balanced, Sideband Separating Mixers	2001-01-04
Reliability of Nanonics Dualobe Connectors	2001-01-03
Laboratory Measurements of Sideband Separating Mixer: UVaIX-L989A-A-10-0-L44-C22-BSSM371A-1	2000-12-04
Stability Analysis of SIS Mixer Bias Supply	2000-11-07
Recent Data Characterizing the SIS Noise Temperature Measurement System	2000-10-18
Software Design for Parameter Stepping	2000-09-01
Noise Temperatures Measured Manually and with Chopper Wheel	2000-07-28
Using Spectrum Analyzers as a Programmable Filter for Noise Temperature Measurements	2000-03-10
Square Law Detector Upgrades	2000-02-12
Cold Load Measurements (Excludes Figures)	2000-01-10
Bias Supply Hardware Design	1999-10-20
Coax Switch Controller, Refrigerator Controller, and Chopper Wheel Controller Design Document	1999-10-09
Software Design Slides (from Real-Time Software Conference)	1999-04-09
SIS Mixer Measurement Software Design Document	1998-09-03

Photos
Title of Document	File Type	Initial Date	Revision Date
Mixer Test System	GIF 630K	2000-04-12
Mixer Test System Photo 2	GIF 640K	2000-04-12
Mixer Test System Photo 3	GIF 640K	2000-04-12
Mixer Test Lab	GIF 640K	2000-04-12
Lens, Mixer, and Coupler	GIF 629K	2000-04-12
Large Chopper Wheel and Supporting Cold Load	GIF 155K	2000-04-12

Data
Mixer Type				Description	Mixer ID Number	File Type	Measured Date
Single	Balanced	BSSM	Preamp
·			·	Measured Receiver Noise, Mixer/Preamp Gain, and LO Noise Temperature at Input (Block test for new wafer)	UVAV-L568A-2-F5-C3-1-375C-101-M375P.05	pdf	2003-01-15
	·		·	Measured Receiver Noise, Mixer/Preamp Gain, and LO Noise Temperature at Input (Internal NRAO Use) (Capacitor value reduced) Equipment Setup (Internal NRAO Use)	BBIA371-A-UVAVIII-L811B-1-0-C2-6-IF4-12P.02	pdf	2002-05-06
	·		·	Measured Receiver Noise, Mixer/Preamp Gain, and LO Noise Temperature at Input (Internal NRAO Use) (10 ohm resistor removed)	BBIA371-A-UVAVIII-L811B-1-0-C2-6-IF4-12P.02	pdf	2002-03-25
	·		·	Measured Receiver Noise, Mixer/Preamp Gain, and LO Noise Temperature at Input (Internal NRAO Use) (10 ohm resistor in bias line) Equipment Setup (Internal NRAO Use)	BBIA371-A-UVAVIII-L811B-1-0-C2-6-IF4-12P.02	pdf	2002-03-14
	·		·	Measured Receiver Noise, RF-LO Isolation, and LO Noise Temperature at Input (Internal NRAO Use)	UVaVIII-L811B-1-B2-3-GL-BM371-A+BM1F4-12P.01-A4	pdf	2002-01-15
		·		Measured Receiver/Mixer Noise, Mixer Loss, Bias Currents (Internal NRAO Use)	UVaIX-L1165B-B-11-0-L44-C10-BSSM371-1	pdf	2001-11-30
		·		Measured Receiver/Mixer Noise, Mixer Loss, Bias Currents (Internal NRAO Use)	UVaIX-L1165B-B-11-0-L53C14-BSSM371-1	pdf	2001-10-24
	·		·	Measured Receiver/Mixer Noise, Mixer Loss, Bias Currents	UVaVIII-L811B-1-B2-7-GL-BM371-A+BM1F4-12P.01	html/pdf	2001-10-05
		·		Measured Receiver/Mixer Noise, Mixer Loss, Bias Currents (Internal NRAO Use)	UVAIX-L996C-C-15-0-L44-C22-BSSM371A-01	pdf	2001-07-23
		·		Measured Receiver/Mixer Noise, Image Rejection, Mixer Loss, Bias Currents (Internal NRAO Use)	UVaIX-L996C-D-16-0-L44-C22-BSSM371A-1	pdf	2001-03-22
		·		Measured Receiver/Mixer Noise, Image Rejection, Mixer Loss, Bias Currents (Internal NRAO Use)	UVaIX-L996C-D-16-L62-C08-BSSM371A-1	pdf	2001-03-13
		·		Measured Receiver/Mixer Noise, Image Rejection, Mixer Loss, Bias Currents (Internal NRAO Use)	UVaIX-L996C-C-15-L62-C10-BSSM371A-1	pdf	2001-03-05
·			·	Receiver Noise Temperature vs. LO Frequency	UVaV-L568A-2-F6-2-B3-371C-01 + Preamp: IF4-12(TRW)	GIF	2001-01-12
·			·	Receiver Noise Temperature vs. IF Frequency	UVaV-L568A-2-F6-2-B3-371C-01 + Preamp: IF4-12(TRW)	GIF	2001-01-12
		·		Image Rejection vs. L-band IF Frequency	UVAIX-L996C-A-09-0-L44-C14-BSSM371A-1	GIF	2001-02-02
		·		Receiver Noise Temperature vs. L-band IF Frequency	UVAIX-L996C-A-09-0-L44-C14-BSSM371A-1	GIF	2001-02-02
		·		Comparison of Image Rejection Using Conventional and Kerr's Method	UVAIX-L989A-A-10-0-L44-C22-BSSM371A-1	GIF	2000-12-12