RANGE
One Channel Mode (CH. 1): 102.4 kHz
Two Channel Mode (Ch 1 & 2): 51.2 kHz
35665A 2-Channel DC to
102.4 kHz Dual Channel
Dynamic Signal Analyzer
Data Sheet
RESOLUTION
100, 200, 400 or 800 lines resolution
Frequency resolution = frequency span/number of lines resolution
Minimum frequency resolution
One Channel Mode: 244 uHz
Two Channel Mode: 122 uHz
SPANS
One Channel Mode: 102.4 kHz to 0.19531 Hz
Two Channel Mode: 51.2 kHz to 0.097656 Hz
ACCURACY ±30 ppm
Real Time Bandwidth
Fast Average On: >=12.8 kHz
MEASUREMENT RATE
401 point FFT display, fast average on
One Channel mode: >=33 averages/second (typical)
Two channel mode: >=15 averages/second (typical)
DISPLAY UPDATE RATE: >=8 updates/second (typical)
401 point FFT display, fast average off
Amplitude/Phase
INPUT RANGES (full scale): +27 dBVrms (31.7 Vpk) to
-51 dBVrms (3.99 mVpk)
in 2 dB steps
AMPLITUDE RESOLUTION: 0.016% of full scale (typical)
ABSOLUTE AMPLITUDE ACCURACY: ±2.92% (0.25 dB) of reading
±0.025% of full scale
CROSS-CHANNEL GAIN ACCURACY
Source = Full scale: ±0.04dB
Source = -20dB full scale: ±0.08dB
CROSS-CHANNEL PHASE ACCURACY
Source = full scale: ±0.5 deg
Source = -20 dB full scale: ±0.5 deg
Dynamic Range
FULL SPAN FFT NOISE FLOOR
Input Range 27 to -35 dBVrms: <-76 dBfs (-85 dBfs typical)
Input Range -37 to -51 dBVrms: <(-112 - Range) dBfs
1/3 OCTAVE DYNAMIC RANGE
2 Second Stable Average: >80dB as per ANSI S1.11-1986
Totalpower limited by the for full scale ranges from
input noise level 50 m Vpeak to 31.7 Vpeak
STABLE AVERAGE RANGE
One Channel Mode Real-Time Bandwidth = 32 kHz
Two Channel Mode Real-Time Bandwidth = 16 kHz
SWEPT SINE MEASUREMENTS - OPTION 1D2
DYNAMIC RANGE: >130 dB (typical)
Input auto range on
100 msec integration
SWEEP TIMES:
51.2 Hz to 51.2 kHz span
11 dBV rms source level
100 ms integration time approximately 76 sec (typical)
10 ms integration time approximately 25 sec (typical)
5 cycle integration time approximately 16 sec (typical)
100 cycle integration time approximately 25 sec (typical)
CROSS-CHANNEL AMPLITUDE/PHASE ACCURACY
Ch. 1 range = Ch. 2 range: ±0.04 dB
±0.5 deg
Abbreviations
Zoom mode = Start frequency >0 Hz
dBVrms = dB relative to 1 Volt rms.
dBfs = dB relative to full scale amplitude range.
Full scale is approx. 2 dB below ADC overload.
FS is fs = Full Scale ; synonymous with Input Range.
RS = Resistance of source or termination connected to
Agilent 35665A's input (from high to low).
Vs = voltage applied to Agilent 35665A''s input.
Vpk = Peak of the ac Voltage
Rload = Load resistance connected to Agilent 35665A's source
CF = center frequency
Typical = typical, non-warranted, performance
specification included to provide general product information
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