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Kirdy Adapter

Kirdy Adapter is a Butterfly Laser Diode Mount to be used with Kirdy mainboard.

Reproducible Project Outputs with Nix

User can run the following commands to export all the project output including Gerber & Drill files, Bill of Materials file, Schematics PDF and Step 3D model.

  • nix build .#LD_adapter_copper_plate
  • nix build .#LD_adapter_type_1_PCB
  • nix build .#LD_adapter_type_2_PCB

Development Environment

User can fetch the correct KiCad Version used in the project by running the following command.

  • nix develop

Laser Diode Adapter Type 1

User can configure the following features by populating the corresponding jumper resistors:

  • Pinout of the laser mount
  • Bypass or use the Bias-T Network for injecting RF Modulation into the laser diode

Laser_Diode_Type_1_Pinout

Pin Description
1 TEC+
2 NTC
3 PD Anode
4 PD Cathode
5 NTC
6 Not Connected
7 PD Cathode*
8 PD Anode*
9 LD Cathode*
10 LD Anode
11 LD Cathode
12 Not Connected
13 LD Anode
14 TEC-

*: Alternate LD/PD Connections.

Laser Diode Adapter Type 2

User can configure the following features by populating the corresponding jumper resistors and capacitors:

  • Bypass or use the Laser Diode(if any) or PCB Bias-T Network for injecting RF Modulation into the laser diode

Laser_Diode_Type_2_Pinout

Pin Description
1 NTC
2 NTC
3 LD Cathode
4 PD Anode
5 PD Cathode
6 TEC+
7 TEC-
8 Case (GND)
9 Case (GND)
10 Not Connected
11 LD Anode
12 Modulation Input
13 LD Anode
14 Not Connected

Laser Diode Copper Heat Sink

It is preinstalled with a thermal interface sheet for ease of installation of laser diode. The thermal interface sheet preinstalled is subject to change.

Thermal Interface Sheet P/N: RS PRO 245-7321