NEL Frequency Controls, Inc.
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NEL Frequency Controls phase noise reference appliances are perfect for signal testing applications, including 5G device testing and Digital AM Radio Stations. They significantly improve phase noise of incoming reference signals.

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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
Appliance

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

Ultra Low Phase Noise O-CDF-XX OCXO
Appliance

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

O-CDFM-0XYZXX –X

 

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
Appliance

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
Appliance

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

Appliance

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)

Ultra Low Phase Noise O-CDF-XX OCXO
Appliance

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)

Ultra Low Phase Noise O-CDF-XX OCXO
Appliance

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)

MFRM
Appliance

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)

MFRM
Appliance

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

Ultra Low Phase Noise O-CEH-XX OCXO
Appliance

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)

Ultra Low Phase Noise O-CEH-XX OCXO
Ultra Low Phase Noise Multiple Frequency
Package & Series Name Data
Sheet
ULPN 100MHz/800MHz Output Allan Deviation Typical Phase Noise 1.000 GHz thru 8.000 GHz
Appliance

19" Rack Mountable Appliance
Multiple Frequency Reference
2U Form Factor

2115A.pdf

Ultra-Low Phase Noise (ULPN) on 8 Microwave Outputs from 1.0 GHz to 8.0 GHz, spaced with 1.0 GHz steps. SC-cut OCXO Based Internal REF Module

Inputs
10 MHz

Outputs
1) 500 MHz
2) 1.0 GHz to
8.0 GHz; with
1.0 GHz steps

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