The LNFS-100  is a versatile  low noise synthesizer  with an output frequency range of 1 to 120 MHz. The  synthesizer  has a low  noise  internal time base that can be phase-locked to an external 5 or 10 MHz  signal   for  long   term  stability.    The  synthesizer  can   be  used  as  a  frequency  source  for Instrumentation, microwave synthesis, phase noise characterization, radar and telecommunication clock systems. The LNFS-100 has AM, FM, PM, FSK, ASK, BPSK, QPSK modulation capabilities. The synthesizer is  available in a stand alone enclosure or as a module.

The LNFS-100 RM is a stand alone 2U  rack mount enclosure with LCD keypad and RS-232 remote control  full  featured. This unit may be ordered with up to 3 independent phase coherent synthesizers.

The LNFS-100 NM is a NIM rack mount module enclosure with USB interface that may be used with the NMS-1 controller. This option must be used with a PC controller. LabVIEW drivers are provided.

LNFS-100 Users Manual
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FeaturesApplications
  • Frequency range 1μHz - 120 MHz
  • Amplitude range:   5 mV - 5 Vp-p into 50 Ω
  • Frequency resolution:  1μHz
  • Phase resolution:  0.38 mRadians
  • Low phase noise:   5 MHz, +10 dBm output
                                         -140 dBc/Hz @ 100 Hz
                                         -160 dBc/Hz @ 1kHz
  • Spurious components:  
                                         1 to 40 MHz: 56 dBc
                                         40 to 120 MHz: 48 dBc
  • Instrumentation
  • Microwave synthesis
  • Phase noise characterization
  • Radar synthesizers
  • Telecom clock generation
Specifications
Degrees
ParameterConditionsMinTypMaxUnits
Phase resolution - 0.022 - Degrees
Phase offset range - +/-360 -
Amplitude resolution - 0.01 - VRMS
Frequency resolution - 1 E-6 - Hz
Frequency tuning range - 1E-6 - 120E6 - Hz
Mech tuning range - - +/-1 E-6 -
Int. oscillator aging After 30 days of operation - 5 E-10 - Per day
Max Sine Output Level 50 ohm load
Accuracy +/-2		 +14 +15 +16 dBm
Pulse Output Level 50 ohm load +9 +10 +11 dBm
Output isolation Channel to channel
Reverse		 -
-		 80
80		 -
-		 dB
Phase noise L(f)
5 MHz Output, +15 dBm		10 Hz
100 Hz
1 kHz
>10 kHz		 -
-
-
-		 -135
-147
-154
-160		 -133
-145
-152
-155		 dBc/Hz
Phase noise L(f)
10 MHz Output, +15 dBm		10 Hz
100 Hz
1 kHz
>10 kHz
-
-
-
-		 -130
-142
-150
-155		 -127
-140
-147
-153		 dBc/Hz
Allan deviation σy(t)
Locked to External Ref.		f=5E6
1 s
10 s
100 s
-
-
-
2.1 E-13
3.2 E-14
2.0 E-14
-
-
-		 -
Allan deviation σy(t)
Locked to External Ref.		f=10E6
1 s
10 s
100 s
-
-
-
3 E-13
4 E-14
6 E-15
-
-
-		 -
Spurious -100 -50 -45 dBc
Harmonics -60 -45 -32 dBc
External Reference 10.0 MHz ± 2.0 E-8     +10 dBm to +15 dBm
DC Tuning Voltage +/- 5VDC
External Trigger 400ns min. pulse width TTL Compatible Levels
AC Power 110–120/ 220–240VAC
Rack-mount Enclosure
Size: 3.5” X 16” X 19”
Weight: 20 lbs

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