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

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

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