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The Fluke PM 3380B ...94B series are the world's first AutoRanging Digital Storage Oscilloscopes with a complete Analog Oscilloscope built in.

Fluke CombiScopes® are a powerful combination of a genuine analog oscilloscope and a powerful digital oscilloscope in one instrument. Designed to fit any budget, there are 5 models in the CombiScope B series: three 2 channel models with bandwidths of 60, 100 or 200 MHz and two 4 channel models with 100 or 200 MHz bandwidth.

Fluke CombiScopes offer the best of both worlds:

Analog Mode Specifications
Vertical Deflection （PM 3380B/90B） Input Channels: 2 Channels + Ext Trig View 
Frequency Response:  100 MHz 
Deflection Coefficient: Ch1 & Ch2 （all models）: 2 mV/div . 5 V/div in a 1-2-5 sequence or 2 mV/div to 12.5 V/div calibrated continuously variable 
Rise Time （Calculated）:  1.75 ns
Error Limit: 1.3% （Measured over center 6 divisions） 
Input Impedance: （all models, all channels） 1 MΩ Â±1% // 25 pf ±2 pf 
Max. Rated input voltage: In 1 MΩ position: 150 Vrms CAT II
In 50Ω position: 5 Vrms; 50V ac peak （ max of 50 mJ during any 100 ms interval. 
 
Vertical Deflection （PM 3384B/94B） Input Channels: 4 Channels
Frequency Response: 200 MHz 
Deflection Coefficient: Ch1 & Ch2 （all models）: 2 mV/div . 5 V/div in a 1-2-5 sequence or 2 mV/div to 12.5 V/div calibrated continuously variable 
Ch3 & Ch4 （PM 3384B/94B）: 2 mV/div . 5 V/div in a 1-2-5 sequence or 2 mV/div to 12.5 V/div calibrated continuously variable 
Rise Time （Calculated）: 1.75 ns 
Error Limit: 1.3% （Measured over center 6 divisions） 
Input Impedance: （all models, all channels） 1 MΩ Â±1% // 25 pf ±2 pf 
（PM 3390B/94B）: user selectable 50Ω Â±1% 
Max. Rated input voltage: In 1 MΩ position: 150 Vrms CAT II 
In 50Ω position: 5 Vrms; 50V ac peak （ max of 50 mJ during any 100 ms interval. 
 
Horizontal （Main & Delayed Timebases） Display Modes: Main Timebase （MTB）, Delayed Timebase （DTB）, Alternate Timebase （ MTB & DTB）, X-Y Mode.
Time Coefficients: （PM 3380B/3384B）: 0.5 s/div to 50 ns/div in a 1-2-5 sequence or calibrated variable control, 1.25 s/div to 50 ns/div.
（PM 3390B/3394B）: 0.5 s/div to 20 ns/div in a 1-2-5 sequence or calibrated variable control, 1.25 s/div to 20 ns/div. 
Fastest Sweep （Magn 10X）: （PM 3380B/3384B） 5 ns/div
（PM 3390B/3394B） 2 ns/div
Error Limit （Magn 10X）:  ±1.3% of reading + 0.5% of 8 divisions）
 
Triggering （Main & Delayed Timebase） Trigger modes: Auto free run, Triggered, Single, Edge Triggering, TV Triggering 
 
Edge Triggering MTB Trigger Source: （PM 3380B/3390B）: Ch1, Ch2, Ext
（PM 3384B/3394B）: Any input channel or Line （mains）; Optional rear mounted External Trigger input replacing line Triggering.
DTB Trigger Source: Starts after delay or triggered on any input channel. 
Slope: Positive or Negative 
Coupling: DC, AC （> 10 Hz）, LF-Rej （30 kHz）, HF-Rej （30 kHz） 
Level Range: ±8 div or level within signal peak to peak range. 
Level Indication:  On screen level indicators and numeric readout.
Trigger Sensitivity: （PM 3380B/3384B）: 0.6 div up to 50 MHz, 1.2 div up to 100 MHz, 2.0 div up to 200 MHz
（PM 3390B/3394B）: 0.6 div up to 100 MHz, 1.2 div up to 200 MHz, 2.0 div up to 300 MHz 
 
TV Triggering Video Standard: HDTV, NTSC, PAL, SECAM standards
MTB Trigger Source: CH1 to CH4, Field1, Field2, TV-Lines 
Signal Polarity: Positive or Negative 
Sensitivity: 0.7 div （Sync Pulse） 
 
Cursor Measurements Cursor Modes: Horizontal, Vertical, Both 
Readout: Vertical: dV, V1 to gnd, V2 to gnd, Ratio 
Horizontal: dt, 1/dt （in Hz）, Ratio, Phase
Accuracy （magn 1X）: 1% of full scale within the central 8 horizontal and 6 vertical divisions.
 
X-Y Mode X Deflection Source: Any input channel or line
X Deflection Coefficient: Same as for vertical deflection 
Dynamic range: 20 div up to 100 kHz, > 10 div up to 2 MHz. 
Frequency Response: 32 MHz at -3 dB 
Error Limit: 5% measured over central 6 divisions. 
Phase Shift: < 3o up to 100 kHz 
 

 
Digital Mode Specifications
Acquisition Repetitive Sample Rate: Random sampling gives an equivalent sample rate of up to; 
（PM 3380B/3384B）: 10 GS/s
（PM 3390B/3394B）: 25 GS/s
Single Shot Sample Rate: Up to 200 MS/s
Vertical resolution: ADC resolution: 8 bit
Memory resolution: 16 bit
Memory: （PM 3380B/3390B）: Standard Memory: 8 k, max trace storage, 27 traces
（PM 3380B/3390B）: Extended Memory option: 32 k, max trace storage, 153 traces
（PM 3384B/94B）: Standard Memory: 32 k, max trace storage, 204 traces 
Average:  2,4,8 to 4096, giving a resolution of up to 14 bits
Peak Detection: Captures glitches up to 5 ns
Envelope Mode:  For continuous tracking of changing waveforms 
 
Vertical Auto Ranging vertical deflection: Automatically and continuously adapts the instrument's vertical settings to have 2 to 6 divisions' display of input signal.
Bandwidth: See above analog mode specification 
Magnification: Up to x32 magnification for higher deflection sensitivity. 
Display modes: Ch1, ± Ch2, Ch3, ± Ch4, calculated add and subtract
Window Mode: 2 or 4 windows to display two or four traces above each other while using the full dynamic range of the ADC 
 
Horizontal Autoranging timebase: Continuously adapts timebase sweep speed to the frequency of the trigger signal in order to keep 2 to 6 cycles on screen. 
Acquisition modes: Recurrent （Auto and triggered）, Single Shot, Multiple Single Shot, Roll, Triggered Roll
X-Y Mode: Any trace in memory or any of the input channels can be used as a X source. 
 
Timebase Single Shot Sampling:  200 s/div to 500 ns/div in a 1-2-5 sequence
Variable Timebase: Continuously variable sweep speed; 1us/div to 500 us/div in 1 us increments. 500 us/div to 200 s/div with 0.2% or smaller increments.
Recurrent:  （PM 3380B/3384B）: 200 ns/div to 5 ns/div 
（PM 3390B/3394B）: 200 ns/div to 2 ns/div
Roll Mode: 200 s/div to 200 ms/div, triggered or free roll mode, in a 1-2-5 sequence or continuously variable 
Display Resolution: Horizontal resolution for 1x magnification: 500 samples = 10 divisions = 1 screen width.
Magnification: x2, x4 to x32 to zoom in onto parts of waveform
Interpolation: Dots, Sine or Linear
 
Triggering Trigger Coupling: Same as analog mode 
Edge Triggering:  Same as analog mode plus; dual slope triggering available when in single shot, real time mode. 
TV Triggering: Same as analog mode 
Logic trigger modes: （PM 3380B/3390B）: Glitch （time qualified pulse）
（PM 3384B/3394B）: State （4 bit）, Pattern （4 bit）, Glitch （time qualified pulse） 
 
Delay Time Delay: 0 to 1,000 div continuously adjustable
Pre trigger view: Up to a complete record can be filled with pre-trigger information. （160 div for 8 k, 640 division for 32 k） 
Event Delay: 1 to 16,384 events, max count rate 50 MHz
Delay Modes: Starts after time delay or wait for trigger after time delay.
 
Cursor Measurements Cursor Modes: Horizontal, Vertical, Both: Free or locked to trace
Readout: Vertical: dv, V1 to gnd, V2 to gnd, Ratio
Horizontal: dt, 1/dt （in Hz）, Ratio, Phase （cycle is automatically referenced to trigger signal） 
 
Calculated Measurements Volt: DC, rms, minimum, maximum, peak to peak, Low level, High level, Overshoot （positive & negative）, Pre-shoot （positive & negative）
Time: Frequency, Period, Pulsewidth, Rise time, Fall time, Duty cycle 
Delay: Channel to channel, rising and falling edges. 
Quick Measurements Probe operated, "Touch Hold And Measure" instantly gives calculated measurements of frequency, dc, rms, and Vp-p.
 
Processing Add, Subtract, Multiply, Digital Filter, Integrate, Differentiate, FFT, Histogram, Pass Fail.
 

 
General Specifications
Autoset Selects proper channel, time-base and trigger settings. Function can be customized
 
Autocal Automatic fine adjustment for enhanced accuracy to get optimal performance even under extreme environmental conditions
 
Interfacing Standard: RS-232C, CPL protocol 
Options: IEEE-488.2（GPIB）, SCPI
 
Hard Copy Output: Printed or plotted hard copy of the screen in digital mode. 
User Text: Two lines of on-screen text
Interface: RS-232C or IEEE-488.2 （GPIB） 
Printer Drivers: FX Series （9 Pin）, LQ1500 （24 Pins）, HP 2225 Thinkjet, HP Laserjet, （series II & III）, HP 540 Deskjet, and compatibles.
Plotters: HP 7440, HP 7550, HP 7475A, HP 7470A and compatibles, HPGL. 
Camera: Camera Kit PM 9381/001 available as optional accessory. 
 
Power Supply Line Voltage: 100V to 240V （±10%） CAT II 
Line Frequency: 50 Hz to 400 Hz （±10%） 
Power Consumption: 115W （130W with all options installed） 
 
Safety Meets requirements of EN 61010-1 CAT II Pollution Degree 2, Low Voltage Directive 73/23/EEC, UL3111, CSA C22.2 010-1
Meets requirements of MIL-STD-461C: Part2 CEO1 （narrow band）, Part4 CEO3, Part2 CSO1, Part5 CSO6, （Limited to 300V）, Part5 and 6 REO1, Part2 REO2 （max. 1 GHz）
 
EMC 
Miscellaneous Setting Memory: 10 complete instrument setups, with battery backup. 
Calibrated output: 600 mv p-p, 2 kHz square wave. 
Z-Modulation Input: BNC, 10 kΩ > 2.4V=blanked, < 0.5 V=unblanked 
Time Between Calibration: 2000 Hrs or 1 year
4000 Hrs or 2 year if error limits are doubled.
 
Size （excluding handle & feet） 139 mm H x 341 mm W x 481 mm L
5.5" H x 13.4" W x 18.9' L
 
Weight  9.5 kg
21 lb
 
Warranty Three-year product warranty, parts and labor. Five year CRT warranty.