PicoSource™ AS108

8 GHz Agile Synthesizer

PicoSource AS108 Specifications

General
Standard conditions are ambient temperature between 15°C and 30°C, 20 minutes after power-up.
Carrier wave
Parameter Applicable range and values Condition
Frequency range 300 kHz to 8.192 GHz
Frequency resolution
300 kHz to 125 MHz 1 Hz
> 125 MHz to 4 GHz 10 Hz
> 4 GHz 20 Hz
 
Frequency settling time
55 μs maximum 50 μs typical  
to ±10 ppm
Frequency accuracy (internal reference) ±5 ppm  
Output power range −15 dBm to +15 dBm  
Output power resolution 0.1 dBm  
Output power setting accuracy ±1.5 dB  
Output match (VSWR)
1.8:1 maximum 1.4:1 typical
 
Output amplitude settling time
to ±1 dB 25 μs maximum
to ±0.1 dB 200 μs maximum
 
Output protection 25 V DC pk and 20 dBm  
Phase noise at 10 kHz offset
1 GHz −98 dBc/Hz maximum −100 dBc/Hz typical
2 GHz −94 dBc/Hz maximum −96 dBc/Hz typical
4 GHz −88 dBc/Hz maximum −90 dBc/Hz typical
8 GHz −83 dBc/Hz maximum −85 dBc/Hz typical
 
  8GHz Synthesizer Measured phase noise at 1 GHz
Harmonics
−20 dBc maximum −26 dBc typical
Output power set to +10 dBm
Sub-harmonics
−40 dBc maximum −46 dBc typical
Output power set to +10 dBm
Spurious
−50 dBc maximum −60 dBc typical
Output power set to +10 dBm
Sweep, hop and list modes
Parameter Applicable range and values Condition
Sweep, hop or list parameters Frequency; level; phase; frequency and level; phase and level  
Discrete sweep or list points 2 to 10 001 Hop is a special case of sweep with only two points.
Frequency stepping dwell time 27 to 65 500 µs Excepting any step exceeding ±2.2 GHz to or from the frequency band 7.0 GHz to 8.0 GHz, minimum dwell 100 µs.
Modulation
Parameter Applicable range and values Condition
Frequency range internal sine source 10 Hz to 5 kHz  
Internal modulation sample rate 37 kS/s Sampled sideband spurs are generated at 37 kHz offset. At 1 kHz modulation typically < -30 dB relative to sidebands.
Frequency resolution and accuracy 1 Hz resolution ± 0.1% accuracy  
AM depth range
For carrier at 0 dBm 5% minimum 90% maximum
0 dBm to 9 dBm 5% minimum 50% maximum
 
FM deviation 2% carrier frequency or 200 kHz maximum  
PM deviation ±180°  
External modulation input bandwidth DC coupled to 10 kHz  
External modulation input sampling AM: 125 kS/s
FM/PM: 89 kS/s at 12-bit resolution
Sampled sideband spurs are generated at 125 / 89 kHz offset. At 1 kHz modulation typically < -50 dB relative to sidebands.
External modulation input sensitivity
BNC(f) 600 Ω ±1 V pk typical
for selected depth or deviation
External modulation input protection ±5 V DC + AC pk  
Synchronization I/O
Parameter Interface and values Condition
Internal 10 MHz reference output
BNC(f) 50 Ω −3 dBm minimum 0 dBm typical
Into 50 Ω
External reference input
BNC(f) 50 Ω −6 dBm sensitivity 6 dBm maximum
 
External reference lock range
  ±5 ppm  
 
Trigger input threshold voltage
BNC(f) 1 kΩ 0.5 V minimum 2.6 V maximum
 
Trigger output logic levels
BNC(f) Low 0.5 V maximum High 3.6 V minimum
Low 0.2 V maximum High 1.2 V minimum
Into 1 kΩ
Into 50 Ω
Trigger output rise and fall times
  40 ns maximum  
Into 50 Ω
Trigger in to trigger out delay
  0.5 ± 0.1 µs  
Gives a lead of 17.5 µs to frequency / phase step, 37.5 µs to a level step.
Trigger out to triggered event delay 17.5 µs typical Frequency or phase step
37.5 µs typical Level step
Dwell period holds off (prevents receipt of) a further trigger.  
Trigger input protection ±10 V DC + AC peak  
Trigger output protection ±4 V DC + AC peak  
Reference I/O protection 4 V AC p-p ±15 V DC  
Miscellaneous and environmental specifications
Parameter Applicable range, values and standards Condition
Power requirements +12 V to +15 V DC, 12 W, 2.1 mm jack, centre pin positive  
Control interface USB 2.0  
Dimensions W 173 mm x L 232 mm x H 56 mm Excluding connectors
Weight 1.78 kg  
Operating environment +5°C to +40°C, 80% RH non-condensing, Pollution Degree 2  
Storage environment −20°C to +50°C, 80% RH non-condensing, Pollution Degree 2  
Vibration tolerance 0.5 g 5 Hz to 300 Hz
Safety Declared conforming to:
EN61010-1:2010 and EN61010-2-030:2010
Safety requirements for electrical equipment for measurement, control and laboratory use, general requirements and for testing and measuring circuits.
EMC Declared conforming to:
EN61326-1:2013 Electrical equipment for measurement, control and laboratory use – EMC requirements. Group 1, Class B. (Emissions) EN61326-1:2013 Electrical equipment for measurement, control and laboratory use – EMC requirements. Basic Environment. (Immunity) EN61326-2-1:2013 Part 2-1: Test configurations, operational conditions and performance criteria for sensitive test and measurement equipment for unprotected applications.
CFR 47 Code of Federal Regulations FCC: part 15 Subpart B – Frequency devices – unintentional radiators. Radiated emissions standard. Class A.
Warranty 3 years
ECCN coding EAR99
Accessories