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Model 9250

30MHz Differential / Dual-Channel Signal Amplifier

The 9250 is a bench-top, 2U, half 19” rack size, fully metal case dual channel amplifier. The instrument can be configured to be used as two, single-ended independent channels, or as a one input with two differential outputs. The amplifier case was designed to stack on top or below other Tabor products. It also can be mounted alongside a Tabor generator in a standard 19" rack. The waveform-amplifier combo is an ideal solution for virtually any high-voltage, wide bandwidth application.
Related Documents
Highlights Features Specifications Ordering Info Downloads Reviews
  • Large signal bandwidth to 15 MHz
  • Small signal bandwidth to 30 MHz
  • High amplitude to 40Vp-p (into high impedance)
  • Slew rate to 200V/µs
  • Low distortion
  • Custom Configuration of: Gain, Input impedance, Output impedance, Output configuration

Input Characteristics

The inputs to the amplifiers be configured to match different source impedance such as 50Ω, 75Ω, or 1MΩ and the outputs can be configured to match different load impedances such as 50Ω, 75Ω, or 600Ω. There are three inputs for each channel:

Output Characteristics

The outputs are located on the front panel. There are two outputs, one for each channel. When the 9250 is configured as two separate amplifiers, the outputs generate amplified signals within the range of 40Vp-p into open circuit or 20Vp-p into matching load impedance. The bandwidth of the outputs is around 20MHz for large signals. Small signal bandwidth can reach 50MHz.

Instrument Configuration

The 9250 can be configured as a differential amplifier. In this case, the channel 2 input is disabled and channel 1 input is amplified and distributed differentially to both outputs. In this case, channel 1 output generates in-phase signal while channel 2 outputs an inverted signal that has exactly 180 phase offset to the normal output. Full amplitude and bandwidth is preserved when the 9250 operates in differential mode. The output impedance of the differential outputs is modified to 25Ω, 37.5Ω, or 300Ω for differential drive of 50Ω, 75Ω, or 600Ω loads. Using the differential mode, the 9250 does not sacrifice accuracy, nor does it sacrifice bandwidth.


The 9250 has two additional inputs for each channel allowing summation of two signals and providing an external control of DC level offset. These inputs are accessible from the rear panel only.

Input Characteristics
Output Characteristics


9250-10-50-50-D-S(1) 30MHz Differential / Dual-Channel Signal Amplifier



Gain 10 = x10, 15 = x15, 20 = x20, fixed(2)
Input Impedance 50 = 50Ω, 75=75Ω, 1M=1MΩ
Output Impedance 50 = 50Ω, 75=75Ω. 600=600Ω
Coupling D = DC, A = AC
Output Configuration S = Two separated channels, D=Single channel with differential outputs(3)



S-Rack mount 19" Single Rack Mounting Kit
D-Rack mount 19" Dual Rack Mounting Kit
Case Kit Professional Carry Bag


(1) Standard configuration.

(2) Custom gain from x10 to x20 can be ordered however, bandwidth cannot be maintained. Consult the factory before ordering gain above 15. 

(3) Output impedance for differential drive is 600Ω only.

Note: Options and Accessories must be specified at the time of your purchase.

Download Type
Solution Notes Frequency response vs. capacitive load for model 9250 06/03/2013
Ver. A
Download (53.6 Kb)
Data sheet Data Sheet for model 9250 26/07/2006
Ver. C
Download (150.6 Kb)
Manuals Users Manual for model 9250 31/01/2005
Ver. A
Download (681.1 Kb)

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Single Unit Kit All units but WS835x and the WX Series
Carry Bag (Small) All units but WS835x and the WX Series

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-Waveform Type

-Number of Channels

-Number of Channels

-Max. Amplitude

-Max. Sample Rate


-Small Signal Bandwidth

-Large Signal Bandwidth

-Memory Size


-Max. Amplitude (50Ω)

-Rise / Fall Time

-Max. Current

-Input Impedance

-Vertical Resolution

-Output Impedance

-Digital Out (Markers)

-Transition Time

-Built-in Modulation



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30MHz Differential / Dual-Channel Signal Amplifier (Model 9250) Model 9250
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