Frequency Specifications

Agilent 35670A - Dynamic Signal Analyzer
Two- or Four-channel
high-performance FFTbased spectrum /network
analyzer
122 µHz to 102.4 kHz
16-bit ADC
United States:
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Price for 35670A from USD 18,300.00
35670A - Standard Features
Instrument Modes
n FFT Analysis Histogram/Time
n Correlation Analysis Time Capture
Measurement
n Frequency Domain
? Frequency Response
? Power Spectrum
? Linear Spectrum
? Coherence
? Cross Spectrum
? Power Spectral Density
n Time Domain (oscilloscope mode)
? Time Waveform
? Autocorrelation
? Cross-Correlation
? Orbit Diagram
n Amplitude Domain
? Histogram, PDF, CDF
Trace Coordinates
n Linear Magnitude
n Unwrapped Phase
n Log Magnitude
n Real Part
n dB Magnitude
n Imaginary Part
n Group Delay
n Nyquist Diagram
n Phase, Polar
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35670A - Frequency specifications (I)
n fc = 262144 Hz
n fh = 102400 Hz
n fh = 0.39 fc
n N = 4096 = 212
for 1600 lines
display
n multiplexed
channels
n fhmax/fhmin = 219
n 20 frequency
spans
n ∆f = 122 µHz for
fhmin =
195.3 mHz
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35670A - Frequency specifications (II)
n TFFT < N/RTB = 160 ms
n Accuracy (quartz clock) << ∆f/fc = 1/N = 0.024%
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35670A - Amplitude Specifications
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35670A - Dynamic Range
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35670A - Input noise
0.125% = 1/800; N = 2048
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35670A - Time Domain
3.815 µs =University
1/262 ofKHz
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35670A - Digital Interfaces
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35670A - Digital Interfaces
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Segnale sinusoidale periodico nel
tempo di acquisizione
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Segnale sinusoidale non periodico
nel tempo di acquisizione
n la potenza della
n
fondamentale viene
“sparpagliata” in tutto lo
spettro: “Leakage”
le righe vicine alla
fondamentale non si
vedono
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Windowing
n No window
n With Hanning window,
reduced leakage University of Pisa
Finestra di Hanning
n Si utilizza per i segnali periodici
e il rumore
n Non per i transitori
n Nessuna finestra
n con finestra di Hanning
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Finestra Uniforme (o Rettangolare)
n Si usa per
tutti i segnali
di durata
finita “selfwindowed”
? Transitori
? Impulsi
? Treni di
impulsi
? etc.
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Finestra Flat-Top
n Si usa quando si vuol
n
n
misurare in modo accurato
l’ampiezza dello spettro.
Vediamo la finestra nel
dominio delle frequenze
come una serie di filtri
passanda.
? Finestra di Hanning:
attenuazione di 1.5 dB
(16%) per frequenze a
metà tra due righe.
? Finestra Flat-Top:
attenuazione di 0.1 dB
(1%) per frequenze a
metà tra due righe
La finestra flat-top
consente una minore
accuratezza in frequenza
f
Finestra di Hanning
Finestra Flat-Top
f
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Altre Finestre
n Response window
? transitori più lunghi del
n Force window
tempo di acquisizione
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Agilent PSA series - E4440A
n E4440A PSA Series Highn
Performance Spectrum Analyzer,
3 Hz - 26 GHz
Key Features and Specifications
• SPEED: The Industry's fastest lowlevel spur search
• ACCURACY: The Industry's most
accurate spectrum analyzer
• DYNAMIC RANGE: The Industry's
most useable dynamic range
• FLEXIBILITY:
The Industry's finest resolution
bandwidth settings
The Industry's first phase noise
optimization
The Industry's most complete
detector selection
n Product Price
United States:
Price for E4440A from
USD 48,000.00
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Agilent PSA series block diagram
n 30 MSPS - 14 bit DAC
n 160 steps of RBW
n 2dB step attenuator 0-70 dB
n 30 dB gain preamplifier
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E444xA - Frequency specifications (I)
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E444xA - Frequency specifications (II)
n Frequency span (FFT and swept mode)
n Resolution
n Accuracy
n Frequency sweep time
n Resolution bandwidth
n Accuracy
n Selectivity (60dB/3dB)
0 Hz (zero span),
0 Hz to 26.5 GHz
2 Hz
± 0.2% of span + span/600
Range 1ms to 2000
Zero span range 1µs to 6000s
1 Hz to 3 MHz (10% steps), 4, 5, 6, 8 MHz
1 Hz to 1.5 MHz (± 2.0%) typical
1.6 MHz to 3 MHz (± 7.0%) typical
4 MHz to 8 MHz (± 15%) typical
4.1:1 (nominal)
Frequency sweep time >> Frequency span / (resolution bandwidth)2
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E444xA - Amplitude specifications
n Amplitude range [Measurement range: displayed average noise level
n
n
n
(DANL) to maximum safe input level]
Preamp (Option D5)
DANL to +25 dBm
Input attenuator range:
0 to 70 dB n 2 dB steps (to 26.5 GHz)
Displayed average noise level (DANL) (input-terminated, 0 dB attenuation,
sample detector, normalized to 1 Hz RBW, 20 to 30°C)
Pream off
Pream on (500 kHz to 3 GHz)
10 kHz to 100 kHz
100 kHz to 1 MHz
1 MHz to 10 MHz
10 MHz to 1.2 GHz
1.2 GHz to 2.5 GHz
2.5 GHz to 3 GHz
3 GHz to 6.6 GHz
6.6 GHz to 3.2 GHz
3.2 GHz to 20 GHz
20 GHz to 26.5 GHz
–130 dBm
–135 dBm
–145 dBm
–155 dBm
–154 dBm
–153 dBm
–152 dBm
–150 dBm
–147 dBm
–143 dBm
–163 dBm
–169 dBm
–168 dBm
–168 dBm
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Specifications (continued)
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ESA- L Series E4408B
n Key Features and
n E4408B ESA-L Series Spectrum
n
Analyzers, 9 kHz to 26.5 GHz
The Agilent ESA-L series of
general-purpose, portable
spectrum analyzer provides
basic spectrum analysis, with
the speed and accuracy you
need. These affordable, fully
synthesized analyzers are
available in three frequency
ranges: 1.5 GHz, 3.0 GHz and
26.5 GHz.
n
Specifications
• Four-millisecond sweep
time
• ±1.1 dB overall amplitude
accuracy
• Large, high-resolution
VGA display
• Rugged, portable,
weather-resistant package
• Five-minute warm up
• Built-in help button
Product Price
United States: Price for
E4408B from USD 23,850.00
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EE44xxB - Frequency specifications
n Frequency range
n Frequency reference
? Aging rate
? Settability
? Temperature stability
n Frequency span
? E4411B
? E4403B
? E4408B
n Resolution
n Accuracy
E4411B 1 MHz to 1.5 GHz
E4403B 9 kHz to 3.0 GHz
E4408B 9 kHz to 26.5 GHz
± 2x10-6 /year, ±1.0x10-7 /day, characteristic
±5x10-7
±5x10-6
100 Hz to 1.5 GHz
100 Hz to 3.0 GHz
100 Hz to 26.5 GHz
2 Hz x N2
±1% of span
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Frequency Specifications
n Sweep time
? Range 4 ms to 4000 sec.
? Accuracy ±1%
n Sweep (trace) points 401
n Resolution bandwidth
? Range (–3 dB bandwidth) 1 kHz to 3 MHz in 1-3-10 sequence
and 5 MHz
(– 6dB bandwidth) 9 kHz and 120 kHz
n Accuracy
? 1 kHz to 3 MHz
RBW ±15%
? 5 MHz
RBW ±30%
n Selectivity
n 0 dB/3 dB bandwidth ratio <15:1, characteristic
sweep time >> frequency range /(resolution bandwidth)2
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Amplitude specifications
n Absolute amplitude accuracy
n Overall amplitude accuracy ±(0.6 dB +absolute frequency
response(0.5 dB))
n Input attenuator range
0 to 65 dB, in 5 dB steps
n 1-dB gain compression (total power at input mixer)
n
50 MHz to 6.7 GHz
6.7 GHz to 13.2 GHz
13.2 GHz to 26.5 GHz
Displayed average noise level
? 10 MHz to 1.0 GHz
? 1.0 GHz to 2.0 GHz
? 2.0 GHz to 6.0 GHz
? 6.0 GHz to 12.0 GHz
? 12.0 GHz to 22.0 GHz
? 22.0 GHz to 26.5 GHz
0 dBm
–3 dBm
–5 dBm
–116 dBm
–115 dBm
-112 dBm
–110 dBm
–107 dBm
–101 dBm
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