Jeff Francis

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Jeff Francis

Jeff FrancisJeff FrancisJeff Francis
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Software Qual Automation (AutoQual)

Software Qualification Automation (AutoQual)

AutoQual - Test Tab

AutoQual - Signal Graph Tab

AutoQual - Simplified Architecture

AutoQual - Simplified HW Diagram (old)


Analog Front End Performance Analysis

Capture app for MCP6n16 Instrumentation Amp and MCP3911 w/Teensy (Arduino)

Teensy 3.6

Teensy Schema

MCP6N16 Instrumentation Amp (eval Brd)

MCP3911 ADC (Eval Brd)


DAQ and Control Apps as Core Tools for Innovations Team

DTDAQ used to measure all manner of sensor signals (V, A, Digital, Freq, Duty Cycle, Temp, Torque, Force, Rotary Encoding...)


TeraDAQCtl next gen Team Tool added Pneumatic control, measurement and function for Auto Air Impactor Prototype tool along with stepper control


Lab Design, Capital Request, Order, Install, Move in, Manage

Isometric View

Room size, furniture fit and outlet locations

Top Down View

Addition of portable furniture


Synch'd high speed Video And Data Acquisition (SVADA)


Live Video of SVADA

CNC 3D Mill

Grizzly G0704 Mill

Computer and Control Chassis

Computer and Control Chassis

Replace lead screws with ball screws, Replace handles with Stepper mounts and stepper motors on all 3 axes (2xNEMA23's, 1xNEMA34).  Add homing and limit switches.

Computer and Control Chassis

Computer and Control Chassis

Computer and Control Chassis

The System

Control Chassis

Stepper Driver Modules

Stepper Driver Modules

BUD Chassis, Power supply, Kill switch and relay, Lg parallel port drive board, 3 stepper driver modules for each axis. 

Stepper Driver Modules

Stepper Driver Modules

Stepper Driver Modules

Computer and control chassis


US Navy, Electronics Tech, Petty Officer 3rd Class

USS McCandless FF1084 - Assigned 1986

Transceiver Sets Responsible for on McCandless

USS McCandless FF1084 - Assigned 1986

Fast Frigate (ASW)

LY Spear AS36 - Assigned 1988

Transceiver Sets Responsible for on McCandless

USS McCandless FF1084 - Assigned 1986

Submarine Tender

Transceiver Sets Responsible for on McCandless

Transceiver Sets Responsible for on McCandless

Transceiver Sets Responsible for on McCandless

Seven AN/SRC-20 with AN/URC-9 UHF Transceiver w/ 100W Power Amplifiers

AN/SRC-20 Service Manual

Transceiver Set Schematics

Transceiver Set Schematics

Transceiver Sets Responsible for on McCandless

Seven AN/SRC-20 UHF Tranceivers w/ 100W Power Amplifiers

AN/SRC-20 Service Manual Schematics

Multiple HF Transmitters

Transceiver Set Schematics

Multiple HF Transmitters

Four AN/URT-23 HF Transmitters w/ 1kW Power Amplifiers

AN/URT-23 Transmitter Service Manual

AN/WRC1B HF Transceivers

Transceiver Set Schematics

Multiple HF Transmitters

Multiple AN/WRC1BHF Transceivers capable of  AM, CW, FSK, LSB, USB, ISB, ISB-FSK

AN/WRC1B HF Transceiver Service Manual

AN/SPS-10 Surface Search RADAR System

AN/SPS-10 Surface Search RADAR System

AN/SPS-10 Surface Search RADAR System

Maintenance on antenna, wave-guide, transmitter/receiver, operator repeater

AN/SPS-10 Surface Search RADAR System Service Manual

AN/SPS-40 Air Search RADAR System

AN/SPS-10 Surface Search RADAR System

AN/SPS-10 Surface Search RADAR System

 Maintenance on antenna, wave-guide, transmitter/receiver, operator repeater

AN/SPS-40 Air Search RADAR System Service Manual

Jeff Francis

Maryland area

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