FC-250-10P

LOW NOISE FREQUENCY CONVERTER

The FC-250-10P is a Low Noise Frequency Converter for Optical to RF Signals. The instrument may be used to generate signals at 10 MHz, 100 MHz and 1 PPS that derive their excellent phase noise and stability from an external 800-1650 nm pulsed optical signal with a repetition rate of 250 MHz. The 10 MHz output is provided with a power level of +12 +/- 1 dBm and the 100 MHz output with a power level of +8 +/- 1 dBm. The 1PPS output provides a TTL, one pulse per second signal with pulse width of 8 ns for an unsynchronized signal and 512 μs for a synchronized signal. The instrument is housed in a 2U, half rack enclosure and operates with 100-240 VAC, 47-63 Hz power source.

  • Features
  • Specifications
  • Options
  • Low phase noise
  • Outputs:
  • 10 MHz signal with 12 +/- 1 dBm.
  • 100 MHz signal with 8 +/- 1 dBm.
  • 1 Pulse per Second TTL signal
  • Unsynchronized signal = 8 ns long pulse width
  • Synchronized signal = 512 us long pulse width
  • Synchronization capabilities with external PPS.

PARAMETER

CONDITIONS

TYP

UNITS

10 MHz output level

 

+13

dBm

100 MHz output level

 

+7

dBm

Temperature Stability

@10 MHz, 20-50 °C

@100MHz, 20-50 °C

@ 1 PPS, 5-45 oC

0.5

1

3

ps/K

Residual Phase Noise

10 MHz Output

1 Hz

10 Hz

100 Hz

1 kHz

>10 kHz

-140

-153

-162

-167

-170

dBc/Hz

Frequency Stability

10 MHz Output

1

10

100

1000

10000

2.8 E-14

3.6 E-15

5 E-16

1 E-16

4 E-17

 

Residual Phase Noise

of the 100 MHz Output

 

1 Hz

10 Hz

100 Hz

1 kHz

>10 kHz

-128

-140

-147

-152

-156

dBc/Hz

Frequency Stability

100 MHz Output

1

10

100

1000

10000

5 E-15

1 E-15

5 E-16

7 E-17

1 E-17

 

Harmonic Distortion

 

-35

dBc

1 PPS output level

50 ohm load

3.9

V

1 PPS Ext Sync Error

 

< 5

ns

 

FC-080-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-100-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-125-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-160-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-200-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-250-10P: Outputs @10 MHz, 100 MHz, 1PPS
FC-250-100P: Two outputs @100 MHz, one @1PPS

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