NEL Frequency Controls: For Oscillators, Encoders, CMOS, LVDS, TCXO, VCXO, DPECL, Ultra Low Phase Noise Solutions and more

With a simple plug and play interface, they are the perfect lab tool for ultra low phase noise reference.

NEL Frequency Controls phase noise reference appliances are perfect for signal testing applications, including 5G device testing, digital AM radio stations, and radar. They significantly improve phase noise of incoming reference signals.

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Narrow Down Our Products by Your Requirements

Model	Type	Size	Frequency	Link
2030A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	100 MHz	https://www.nelfc.com/pdf/2030A.pdf
2030B	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, and 1 GHz PPS Outputs	https://www.nelfc.com/pdf/2030B.pdf
2048A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, and 800 MHz	https://www.nelfc.com/pdf/2048A.pdf
2046A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, and 1 GHz PPS Outputs	https://www.nelfc.com/pdf/2046A.pdf
1909A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	5 MHz, 100 MHz and 1 GHz Outputs	https://www.nelfc.com/pdf/1909A.pdf
1907A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz	https://www.nelfc.com/pdf/1907a.pdf
1826a	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, and 1 GHz PPS Outputs	https://www.nelfc.com/pdf/1826a.pdf
1947a	Ultra-Low Phase Noise	19" Rack Mountable Appliance	100 MHz	https://www.nelfc.com/pdf/1947A.pdf
1950A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, 300 MHz, and 1.2 GHz Outputs	https://www.nelfc.com/pdf/1950A.pdf
1929B	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz and 1.2 GHz Outputs	https://www.nelfc.com/pdf/1929B.pdf
2115A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	1.0 GHz to 8.0 GHz	https://www.nelfc.com/pdf/2115A.pdf
2309A	Ultra-Low Phase Noise	19" Rack Mountable Appliance	10 MHz, 100 MHz, and 1 GHz PPS Outputs	https://www.nelfc.com/pdf/2309A.pdf

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	2138A.pdf	– Locks to either 10 MHz reference or, PPS input, or Built-in Internal GNSS receiver – Ultra-Low Phase Noise (ULPN) – Excellent Holdover in the Absence of REF IN – SC-cut OCXOs Based Internal REF Module – 100 MHz	Inputs 10 MHz IN SMA Female front panel 1 PPS IN SMA Female front panel GNSS antenna TNC back panel Outputs 100 MHz OUT SMA Female front panel PPS RS422 and PVT message on DB-9 connector female, front panel
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)
Phase-Locked Ultra Low Phase Noise Multioutput Frequency Reference in 19” Rack Mountable Appliance 1U Form Factor	2309A.pdf	Locks to 1 PPS or 10 MHz inputs – Ultra-Low Phase Noise (ULPN) – 10 MHz, 160 MHz, and 1 PPS Outputs – 10 MHz and 80 MHz internal SC-cut OCXO	Inputs 1 PPS IN on SMA Female 10 MHz on SMA Female Outputs 160 MHz OUT SMA Female 10 MHz OUT SMA Female 1 PPS OUT SMA Female