NEL Frequency Controls, Inc.

Mixed Signal System Reference
Package & Series Name	Data Sheet	Frequency Range, Features, Output Type, Vcc	Inputs and Outputs	Typical Phase Noise Roll over to expand graph
Phase-Locked Ultra Low Phase Noise Multioutput Frequency Reference in 19" Rack Mountable Appliance 1U Form Factor	2030A.pdf	- Locks to 1 PPS or 10 MHz inputs - Extraordinary-Low Phase Noise (ELPN) - 10 MHz, 100 MHz, and 1 PPS Outputs - 10 MHz and 100 MHz internal SC-cut OCXO - Other Frequencies Available. Consult NEL - Optional PPS OUT Edge Alignment with RF Output	Inputs 1 PPS IN on SMA Female 10 MHz on SMA Female Outputs 100 MHz OUT SMA Female 10 MHz OUT SMA Female 1 PPS OUT SMA Female
Phase-Locked Ultra Low Phase Noise Multioutput Frequency Reference in 19" Rack Mountable Appliance 1U Form Factor	2030B.pdf	- Locks to 1 PPS or 10 MHz inputs - Ultra-Low Phase Noise (ULPN) - 10 MHz, 100 MHz, and 1 PPS Outputs - 10 MHz and 100 MHz internal SC-cut OCXO - PPS OUT Edge Aligned with 100 MHz Output	Inputs 1 PPS IN on SMA Female 10 MHz on SMA Female Outputs 100 MHz OUT SMA Female 10 MHz OUT SMA Female 1 PPS OUT SMA Female

Ultra Low Phase Noise Phase-Locked Frequency Reference
Package & Series Name	Data Sheet	ULPN 100MHz/800MHz Output	Allan Deviation	Typical Phase Noise Roll over to expand graph
19" Rack Mountable Appliance 1U Form Factor with Flexible Frequency Outputs 10MHz/100MHz/800MHz	2048A.pdf

Ultra Low Phase Noise Phase-Locked Frequency Reference
Package & Series Name	Data Sheet	Frequency Range, Features, Output Type, Vcc	Inputs and Outputs	Typical Phase Noise Roll over to expand graph
19" Rack Mountable Appliance 1U Form Factor	2046A.pdf	- Locks to either 10 MHz reference or 1 PPS input - Ultra-Low Phase Noise (ULPN) on all Outputs - 10 MHz, 100 MHz, and 1 PPS Outputs - 1 PPS Output is Phase Aligned with 100 MHz Output - Excellent holdover In the Absence of REF IN - 10 MHz and 100 MHz internal SC-cut OCXO	Inputs 10 MHz IN SMA Female 1 PPS IN SMA Female Outputs 10 MHz OUT SMA Female 100 MHz OUT SMA Female 1 PPS OUT SMA Female
19" Rack Mountable Appliance 1U From Factor	1909A.pdf	- Locks to 5 MHz reference or 1 PPS input - Ultra-Low Phase Noise (ULPN) - 5 MHz, 100 MHz and 1 GHz Outputs - Excellent Holdover in the Absence of REF IN - 10 MHz internal SC-cut OCXO	Inputs 5 MHz 1 PPS Outputs 5 MHz 100 MHz 1 GHz PPS (Optional)
10 MHz 19" Rack Mountable Appliance 1U From Factor	1907A.pdf	- Locks to either 10 MHz (or 5 MHz) reference or - 1 PPS input - Ultra-Low Phase Noise (ULPN) - Two 10 MHz (or Optional 5 MHz) Outputs - Excellent Holdover in the Absence of REF IN - 10 MHz internal SC-cut OCXO	Inputs 10 MHz (or 5 MHz) 1 PPS Outputs 10 MHz (5 MHz) 10 MHz (5 MHz) PPS (Optional)
5G Frequency Reference Appliance	1826a.pdf	- Locks to either 10 MHzreference or 1 PPS input - Ultra-LowPhase Noise (ULPN) - Excellent Holdover in the Absence of REF IN - 10 MHz and 100 MHz internal SC-cut OCXOs	Inputs 10 MHz 1 PPS Outputs 10 MHz 100 MHz 1.0 GHz PPS (Optional)
100 MHz 19" Rack Mountable Appliance 2U Form Factor	1947a.pdf	- Locks to either 10 MHz reference or 1 PPS input - Phase Noise Clean-Up - Built-in Internal GNSS receiver is optional - Ultra-Low Phase Noise (ULPN) on all Outputs - 100 MHz Output - Excellent holdover In the Absence of REF IN - 10 MHz and 100 MHz internal SC-cut OCXO	Inputs 10 MHz 1 PPS GNSS antenna TNC Outputs 100 MHz PPS (Optional)
Ultra-Low Phase Noise Multioutput Frequency Reference in 19" Rack Mountable Appliance 1U Form Factor	1950A.pdf	- Ultra-Low Phase Noise (ULPN) - 10 MHz, 100 MHz, 300 MHz, and 1.2 GHz Outputs - 10 MHz and 100 MHz internal SC-cut OCXOs	Outputs 10 MHz 100 MHz 300 MHz 1.2 GHz
Phase-Locked Ultra Low Phase Noise Multioutput Frequency Reference in 19" Rack Mountable Appliance 1U Form Factor	1929B.pdf	- Locks to 10 MHz reference or 1 PPS input - Ultra-Low Phase Noise (ULPN) - 10 MHz, and 1.2 GHz Outputs - Excellent Holdover in the Absence of REF IN - 10 MHz internal SC-cut OCXO	Inputs 10 MHz 1 PPS Outputs 10 MHz 1.2 GHz PPS (Optional)