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- NEL Rackmount Frequency Reference Appliances
These rack mounted Frequency Reference Appliances are ideal when no reference frequency is available. They use internal OCXOs to generate multiple output references.
Series | Size | Outputs | Stability | Output Phase Noise |
dBc/Hz @0.1Hz |
dBc/Hz @1Hz |
dBc/Hz @10Hz |
dBc/Hz @100Hz |
dBc/Hz @1kHz |
dBc/Hz @10kHz |
dBc/Hz @100kHz |
---|---|---|---|---|---|---|---|---|---|---|---|
2048A | 19" Rack Mount 1U |
10MHz, 100MHz, 800MHz |
2ppb | 10MHz 100MHz 800MHz |
-89 |
-120 |
-150 -120 -100 |
-162 -130 -110 |
-165 -160 -140 |
-168 -175 -155 |
-170 -180 -160 |
1950A | 19" Rack Mount 1U |
10MHz, 100MHz, 300MHz, 1.2 GHz |
2ppb | 10MHz 100MHz 300MHz 1.2GHz |
-89 -47 |
-120 -78 |
-150 -120 -108 -106 |
-162 -130 -118 -108 |
-165 -160 -148 -140 |
-168 -175 -163 -154 |
-170 -180 -168 -155 |
NEL's low-phase noise reference appliances are perfect for signal testing applications, including 5G device testing, digital AM radio stations, and radar. They significantly improve the phase noise of incoming reference signals, can use multiple input references, and provide multiple output reference options.
Series | Size | Inputs | Outputs | Holdover | Phase Noise Reduction |
Output Phase Noise |
dBc/Hz @10Hz |
dBc/Hz @100Hz |
dBc/Hz @1kHz |
dBc/Hz @10kHz |
dBc/Hz @100kHz |
Phase Noise Plot |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2030B | 19" Rack Mount 1U |
1PPS, 10MHz | 1PPS, 10MHz, 100MHz | 20 us, 8 Hours |
50 dB | 10MHz 100MHz |
-145 -125 |
-157 -132 |
-162 -163 |
-170 -177 |
-172 -180 |
|
2046A | 19" Rack Mount 1U |
1PPS, 10MHz | 1PPS, 10MHz, 100MHz | 20 us, 8 Hours |
50 dB | 10MHz 100MHz |
-145 -125 |
-157 -132 |
-162 -163 |
-170 -177 |
-172 -180 |
|
1907A | 19" Rack Mount 1U |
1PPS, 10MHz | 10MHz, 10MHz | 20 us, 8 Hours |
50 dB | 10MHz 10MHz |
-148 -145 |
-158 -152 |
-168 -163 |
-170 -168 |
-172 -170 |
|
1826a | 19" Rack Mount 1U |
1PPS, 10MHz | 10MHz, 100MHZ, 1GHz | 20 us, 8 Hours |
50 dB | 10MHz 100MHz 1GHz |
-145 -125 -105 |
-157 -132 -112 |
-162 -163 -142 |
-170 -177 -158 |
-172 -180 -160 |
|
1929B | 19" Rack Mount 1U |
1PPS, 10MHz | 10MHz, 1.2GHz | 20 us, 8 Hours |
50 dB | 10MHz 1.2GHz |
-150 -106 |
-162 -108 |
-165 -140 |
-168 -158 |
-170 -158 |
|
2309A | 19" Rack Mount 1U |
1PPS, 10MHz | 1PPS, 10MHz, 160MHz | 20 us, 8 Hours |
40 dB | 10MHz 160MHz |
-145 -122 |
-157 -130 |
-162 -160 |
-170 -170 |
-172 -175 |
|
1909A | 19" Rack Mount 1U |
1PPS, 5MHz | 5MHz, 100MHZ, 1GHz | 20 us, 8 Hours |
50 dB | 5MHz 100MHz 1GHz |
-150 -125 -105 |
-162 -132 -112 |
-165 -163 -142 |
-168 -177 -158 |
-170 -180 -160 |
|
2138A | 19" Rack Mount 1U |
GNSS, 1PPS, 10MHz | 100MHz, PPS RS422 and PVT message |
20 us, 8 Hours |
100MHz | -125 | -135 | -160 | -180 | -185 | ||
1947a | 19" Rack Mount 2U |
GNSS, 1PPS, 10MHz | 100MHz | 20 us, 8 Hours |
100MHz | -136 | -145 | -158 | -170 | -172 | ||
2115A | 19" Rack Mount 2U |
10MHz | 500MHz, 1GHz, 2GHz, 3GHz, 4GHz, 5GHz, 6GHz, 7GHz, 8GHz |
500MHz 1GHz~8GHz |
-100 * |
-127 |
-153 |
-168 |
-173 |
*Degraded 20 LogN + 3dB from values of internal 500 MHz reference.
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