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Schematic Design

  • Top notch schematic design software.
  • Rule based software to prevent error for more predictable design outcome and project time frame.
  • Power Supply design.
  • Amplifier and filtering design.
  • MCU design.
  • CPLD and FPGA design.
  • Signal conversion.
  • Mixed signal.

Rigid and Rigid-Flex PCB Layout

  • Multi-layer PCB.
  • Rule based software to reduce board spin numbers.
  • Greber output files and DFM checks.
  • Experience with many different footprint technologies. BGA technologies. Waffer scale technologies.
  • Custom form factors to fit customer mechanical housings. Height restrictions. Interconnects.
  • Strategy focus designs.
  • Rigid-flex layout helps reduce cables and connectors.
  • Rigid-flex saves PCB real estate and reduces BOM by eliminating extra interconnect cables and connectors.
  • Custom flat-flex cable interconnects that are capable of weaving through mechanical obstacles.
  • Shielding Techniques.
  • STEP file output.

Application, MCU and CPU Programming

  • Testbench and/or design demonstrations.
  • Development of custom test programs in terminal and/or GUI environments
  • Assembly Language, C C#, Verilog, schematic based, BASIC and more programming experience.
  • Various design simulation experience.

High Volume Production and Testing

  • Custom fit PCB layout.
  • Multilevel testing for better quality control.
  • We communicate directly with PCB manufacturer and/or assembly house.
  • We handle bill of materials and part procurement.
  • Predictable pricing.
  • Dependable shipment dates (Note: may be subject to supplier part availability).

ETX Application Note

ETX-4X MOSFET-based, "X"-form, Pulsed Laser Diode Driver w/ Filtering

(OBSOLETE - see ETX-10A and ETX-12)

Product Features:
  • Wideband filtering for reduced firing EMI.
  • X-type for compatibility with ERC-2 ranging controller.
  • Discharge current up to 35A (typical).
  • Pulse width 15 - 20 nanoseconds (typical).
  • PRF up to 500 Hz (standard).
  • Discharge Voltage = 0 - 400Vdc.
  • Full ground plane with perimeter for metal shield attachment.
  • Accommodates 5.6mm (3 lead) or TO-18 (2 lead) packaged laser diode (not included).
  • X-form circuit board 2.000 x 1.125 inches.
ETX-4X Datasheet

ETX-10A Single Supply, 5-Volt, Pulsed Laser Diode Driver w/ Integrated HV Power Supply

Product Features:
  • Compact, single 5 Volt supply laser diode driver(3.3V version also available).
  • Pulse widths from 5 to 30 nanoseconds (typically).
  • Discharge current up to 75 Amps (pk). (see specifications)
  • PRF upto 10 kHz with integrated power supply. (see specifications)
  • PRF in excess of 50 kHz with external HV power supply. (eg. model EHV-4)
  • Peak discharge current may be set locally via trim-pot or external control voltage.
  • Pulse width can be modified via selection of capacitance and resistance banks.
  • Universal laser mounting pads accommodate most 2 and 3 lead pulsed laser diodes such as all OSRAM (Infineon) SPL series diodes and Perkin-Elmer "R", "S", "U" and "W" pkgs.
  • ETX-10A Laser Drivers are available with OSRAM SPL series lasers installed w/test data. Optional: extended test data including Po vs. Vdis plot and laser emission spectral plot.
  • Orthogonal mount of laser diode provides minimum inductance and facilitates a complete Faraday cage for reduced EMI when a metal shield (available separately) is attached to the PCB’s perimeter ground plane.
  • Compact PCB just 2.250 x 1.125 inches.
ETX-10A Datasheet

ETX-12 Hi-PRF Laser Driver with Power Supply

Product Features:
  • Pulse Repetition Frequency: up to 40 kHz (standard), up to 100 kHz (custom).
  • Vsupply = 5.0Vdc @ 15mA (max. quiescent, no load), < 600mA @ full load/max voltage.
  • SPI-bus compatible discharge voltage control.
  • TTL/CMOS compatible trigger input.
  • TTL/CMOS compatible discharge detection output.
ETX-12 Datasheet

OSRAM Pulsed Laser Diodes

EIL-2 Modular Pulsed Laser Illuminator

Product Features:
  • EIL-2 accommodates up to 12 Laser Diodes / Emitters (OSRAM or any TO-18 style).
  • Each Laser Diode has choice of vertical or horizontal mounting orientation.
  • Each Laser Diode has approximately +/- 20 degrees of tilt adjustability.
  • EIL-2 modules may be linked (arrayed) together for custom output power/patterns.
  • Eight EIL-2 modules may be assembled into a complete ring illuminator.
  • Pulse Repetition Frequency up to 15 kHz (standard), up to 100 kHz (custom).
  • TTL/CMOS compatible trigger input.
  • Laser discharge voltage supply of 0 – 200Vdc.
  • Bias voltage supply of 15Vdc @ < 20 mA (typical).
EIL-2 Datasheet

ERX-5X Low-Noise Si-PIN Photodiode "X"-form Optical Receiver

Product Features:
  • On-board fast PIN-photodiode detector.
  • X-Form for compatibility with ERC-2 and ELR-1 form factors.
  • Wideband -3dB bandwidth = 25 MHz (modifiable).
  • NoisebEquivalent Power (NEP) < 25 nW.
  • Gain 500 kV/W (typical).
  • Variable threshold sensitivity.
  • Single power supply 10 - 12 Vdc @ 70mA (typical).
  • X-form circuit board 2.000 x 1.125 inches.
ERX-5X Datasheet

ERX-6 Series Single-Board APD Photodiode Optical Receiver

Product Features:
  • Si-APD (Avalanche PhotoDiode) version "-6B"
  • On-board High Voltage APD bias supply (-6B version only)
  • On-board bias control circuit for CFAR applications
  • Analog output (standard)
  • Wideband -3dB bandwidth = 20 MHz. (standard)
  • Directly compatible with ERC-4A Ranging Controller
  • Single 5Vdc power supply
  • Current consumption 30 mA (typical).
  • Compact circuit board 1.125 x 2.250 Inches.
ERX-6 Datasheet

ERX-6 Series Single-Board PIN Photodiode Optical Receiver

Product Features:
  • Si-PIN (PIN PhotoDiode) version "-6C"
  • Analog output (standard), Digital output (PIN optional)
  • Wideband -3dB bandwidth = 20 MHz. (standard)
  • Directly compatible with ERC-4A Ranging Controller
  • Single 5Vdc power supply
  • Current consumption 30 mA (typical).
  • Compact circuit board 1.125 x 2.250 Inches.
ERX-6 Datasheet

EHO-1A BASIC Programmable Laser Ranging Host Module

Product Features:
  • A stand-alone host controller for ECH-1, ECH-2, ECH-4 and ERC-2 chronometers.
  • Simple nonvolatile programming in BASIC.
  • RS-232 DB9 interface for programming and data transfer.
  • Includes 2-line x 16-character dot matrix LCD display (Optrex DMC-16207).
  • Keypad / trigger button input port.
  • On-board power management for battery operation.
  • Operates from 7 Vdc - 13 Vdc (ERC-2 requires 12Vdc minimum).
  • Module size just 3.4(L) x 1.75(W) x 1.3(D) inches, weight 3 ounces.
EHO-1A Datasheet
Applications:
  • Laser rangefinder display/computing interface.
  • Developmental host for Electro-Optic Devices' chronometers and ranging modules.
  • Battery operated ranging or time interval measurement.
Example Programs:
  • DOWNLOAD the latest BASIC Stamp 2 Editor from Parallax to program/modify the EHO-1 firmware.
  • ECH1B_01.BS2Simple time interval measurement interface to ECH-1B Time-of-Flight Chronometer (03-MAY-04)(6KB).
  • ECH2A_01.BS2Simple time interval measurement interface to ECH-2A START/STOP Chronometer (03-MAY-04)(5KB).
  • ERC2_06.BS2Simple LRF interface to ERC-2A Ranging Controller (13-SEPT-04)(22KB).
  • Simple time interval measurement interface to ECH-4 Chronometer (13-SEPT-04)(17KB).
  • EHO.ZIPZip file containing support programs and info for the EHO-1 (03-MAY-04)(1,181KB).
  • ECH_CVI.BS2Loaded into EHO-1A to interface with the GUI ECH/ERC Test Program (EETP). Other *.bs2 files NOT required (03-MAY-04)(4KB).
  • EETP_2_0_DATA.zipZip file containing the GUI ECH/ERC Test Program for the EHO-1 with included datasheets for ECH-1B, ECH-2A, ECH-4 and ERC-2 (03-MAY-04)(2,811KB).
  • EETP_2_0_NO_DATA.zipZip file containing the GUI ECH/ERC Test Program for the EHO-1 without included datasheets (03-MAY-04)(1,958KB).

ERC-2A Single Board Ranging Controller Module

Product Features:
  • Single sample range accuracy to +/- 1 foot, better on strong targets.
  • On-Board power supply for ETX-series Pulsed Laser Diode Drivers.
  • Directly interfaces to ERX-5X optical receiver and ETX-4X Laser Diode Driver.\
  • Used as ranging controller on the ELR-1 Laser Rangefinder Prototyping System.
  • Maximum range gate of 20.4 us (appx. 10,000 feet) - extendible to 65 us.
  • Programmable range blanking from 0 to 5 us (~2,500 ft.) in 20 ns (10 ft) steps.
  • Communicates with host via synchronous 3- or 4-wire serial interface.
  • Can be custom programmed for stand-alone operation (no host).
  • Simple command set allowing software or hardware initiated events.
  • Three-byte time interval result in nanoseconds (16-bits whole/8-bits fractional).
  • Requires +12Vdc and +5 Vdc power supplies.
  • Compact circuit board just 3.25 x 2.40 inches, weight < 1.5 ounces.
ERC-2A Datasheet

ERC-4 Basic Laser Rangefinder

Product Features:
  • Pulse Repetition Frequency: 250 Hz (effective).
  • Vsupply = 6.0Vdc (nominal), 5.0 Vdc (minimum), 8.0 Vdc (maximum).
  • Compatible with ERX-6 optical receiver and ETX-10A pulsed laser driver.
  • Serial Port
  • Data Comm: 4 Readings/Sec., Baud Rate: 9600, N,8,1 no handshakes, ASCII output.
  • Minimum Range: 50 yards (appx.).
  • Maximum Range: 1000 yards (appx.).
  • Power Management
ERC-4 Datasheet

ERC-5A Asynchronous Single Start Dual Stop Ranging Controller w/ Synchronized Trigger, Adjustable Range Gate and Blanking

Product Features:
  • Measurement error < 50ps RMS.
  • Range gate adjustable from 1.28 to 261.12 microseconds (selectable in 1.28 µS increments).
  • Adjustable blanking.
  • Synchronized trigger.
  • Measurement rate to over 25kHz (rates will decrease with longer range gates).
  • Simultaneously makes two STOP signal edge measurements using the same START signal edge.
  • Directly compatible with ERX-6 optical receiver and ETX-10A pulsed laser driver.
  • Can be used as read only or reconfigured through commands.
  • Control information and data transfer via synchronous parallel interface.
  • Programmable input source and edge selection via configuration command.
  • Dual measurements sent in 3-byte nanosecond results, 18:6 format. (18-bits whole : 6-bits fractional).
  • 1mm FFC connectors for ETX-10A and ERX-6 connection.
  • Single 5 Volt upply requirement.
  • Compact circuit board.
ERC-5A Datasheet
Applications:
  • Devices requiring low power, high accuracy (less than 1ns) measurements.
  • Pulsed solid-state and gas laser rangefinders which require asynchronous start and stop signals due to firing jitter.

ERC-5AKIT Complete Laser Ranging Electronics Kit

Contents of Kit:
ERC-5A Asynchronous Single Start Dual Stop Ranging Controller w/ Synchronized Trigger, Adjustable Range Gate and Blanking:
ERC-5A Datasheet
ERX-6 5-Volt only, Single Board APD/PIN Photodiode Optical Receiver:
ERX-6 Datasheet
ETX-10A Compact, Single 5-Volt only Supply Pulsed Laser Diode Driver with Integrated HV Power Supply:
ETX-10A Datasheet

ECH-1B Single Channel, Low-cost Averaging Time-of-Flight Chronometer Module

Product Features:
  • Custom programmed for OEM Applications.
  • Five reserved I/O pins from internal controller for customer's application.
  • Single channel averaging chronometer for time-of-flight measurements.
  • Counting rate up to 50 MHz (externally controlled).
  • Time interval measurement resolution to 1.25 ns  (internally averaged).
  • TRIGGER output to start an external event - fires laser in LRF applications.
  • Control information and data transfer via synchronous serial interface.
  • Selectable internal averaging interval or single shot data for external manipulation.
  • Selectable maximum count - scalable range gate for LRF applications.
  • Range counter is 8-bits with overflow capability to extend measurement.
  • Circuit board size just 1.60 x 2.30 inches, weight < 0.5 ounce.
ECH-1B Datasheet
Applications:
  • Commercial and Consumer Laser/Optical/RF Ranging.
  • Event time interval measurements.

ECH-2 Fully Asynchronous START/STOP Chronometer Module

Product Features:
  • Single sample, time interval accuracy to +/- 500 ps or 0.01%.
  • Measures time interval A to B, B to A, and positive or negative width on either channel.
  • Maximum time interval of 20.4 microseconds. (larger on request).
  • Control information and data transfer via synchronous serial interface.
  • Measurement parameters and execution programmable via command set.
  • Three-byte time interval result in nanoseconds (16-bits whole/8-bits fractional).
  • Programmable input source and polarity to fit application.
  • ARM signal configurable as input or output.
  • Optional SMA or SMB coaxial connections for timing signals.
  • Single supply, 5 Volt operation.
  • Compact circuit board just 2.0 x 2.5 inches, weight <2 ounces.
ECH-2 Datasheet
Applications:
  • Devices requiring low power, high accuracy measurements to < 1 ns.
  • Pulsed solid-state and gas laser rangefinders which require asynchronous start and stop signals due to firing jitter.

ECH-4 Dual Channel, Single Conversion Precision Time-of-Flight Chronometer Module

Product Features:
  • Single sample, time interval accuracy to +/- 300 ps.
  • Maximum time interval (range gate) of 20.4 microseconds.
  • Programmable range blanking from 0 to 5 us in 20 ns steps.
  • Control information and data transfer via parallel or serial interface.
  • Measurement parameters and execution programmable via command set.
  • Three-byte time interval result in nanoseconds (16-bits whole/8-bits fractional).
  • Programmable input source (1 of 2 channels) and polarity to fit application.
  • Trigger output to start an external event - fires laser in LRF applications.
  • Optional SMA or SMB coaxial connections for timing signals.
  • Single supply, 5 Volt operation.
  • Compact circuit board just 2.0 x 2.25 inches, weight < 1.5 ounces.
ECH-4 Datasheet
Applications:
  • Devices requiring high accuracy measurements to < 1 ns.
  • Laser/R/F pulsed ranging with t0 and ttarget successive measurements.
  • Laser/R/F pulsed ranging with dual receivers for successive measurements.

ECH-5A Fully Asynchronous Single Start Dual Stop Chronometer Module w/ Adjustable Range Gate

Product Features:
  • Measurement error < 50ps RMS.
  • Range gate adjustable from 1.28 to 261.12 microseconds (selectable in 1.28 µS increments).
  • Measurement rate to over 25kHz (rates will decrease with longer range gates).
  • Simultaneously makes two STOP signal edge measurements using the same START signal edge.
  • Can be used as read only or reconfigured through commands.
  • Control information and data transfer via synchronous parallel interface.
  • Programmable input source and edge selection via configuration command.
  • Dual measurements with each ns result sent in 3-byte, 18:6 format. (18-bits whole : 6-bits fractional).
  • Single 5 Volt supply requirement.
  • Compact circuit board.
ECH-5A Datasheet
Applications:
  • Devices requiring low power, high accuracy (less than 1ns) measurements.
  • Pulsed solid-state and gas laser rangefinders which require asynchronous start and stop signals due to firing jitter.
Contact Us

Need a faster repetition rate, more accuracy, more power management, or a different communications interface? Need a smaller board or custom board design and layout solution? Need an all-in-one solution or system? Whatever your application may require, contact us to see how we can help!