CICLKD

Clock distribution. This takes a GPS reference and distributes it to the SDR base stations and RF test equipment. An optional TADD-3 PPS distribution board can be installed to distribute pulse-per-second signals.

Views

../../../_images/CICLKD_Rear_Panel_1280w.jpg — CICLKD Rear Panel.

../../../_images/CICLKD_Internal_1280w.jpg — CICLKD Internal.

Theory of operation

../../../_images/CICLKD_Block_Diagram.svg

A clock distribution circuit on the TADD-1 board distributes 10MHz to six transformer isolated BNC output connectors.

Bill of materials

CICLKD BOM
Component	Description	Manufacturer	Man. Part	Distributor	Dist. Part
Enclosure	1U Rack-mount enclosure	nVent SCHROFF	20860120	RS Components	454-9666
M1	TADD-1 RF distribution amplifier	TAPR	TADD-1	TAPR	TADD-1
M2	TADD-3 PPS distribution amplifier (optional)	TAPR	TADD-3	TAPR	TADD-3
D1	Panel mount LED indicator, green	RS Pro	205-331	RS Components	205-331
R1	1K ohm 0.25W 5% axial resistor	RS Pro	707-7666	RS Components	707-7666
J1	Male panel mount XLR connector	Neutrik	NC3MD-LX-M3	Mouser	568-NC3MD-LX-M3
J2-3	Female panel mount BNC connector	Amphenol RF	031-10-RFXG1	Mouser	523-31-10-RFXG1
Misc.	RG58 coaxial cable
Misc.	0.5mm² tri-rated wire in red and black

Resources

Mechanical design and graphics.