TA045 200 MHz 20 V differential oscilloscope probe

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TA045 200 MHz 20 V differential oscilloscope probe

TA045 200 MHz 20 V differential oscilloscope probe 10:1

The TA045 is a 200 MHz bandwidth active differential probe suitable for high-speed measurement applications with a differential measurement range of ±20 V and a common-mode range of up to ±60 V (DC + peak AC).

This differential probe extends the functionality of standard single-ended input oscilloscopes to allow a safe and accurate method of making differential voltage measurements. Applications include making safe measurements in power circuit applications and acquisition of high-speed balanced differential signals found in serial communications buses.

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TA045 differential oscilloscope probe specifications


DC to 200 MHz (–3 dB)

Attenuation ratio




Rise time

1.75 ns

Input impedance

500 kΩ // 7 pF each side to ground

Input voltage 

Differential range

±20 V

Common mode range


Absolute max. voltage
(either input to ground) 

±60 V


Swing (into 50 kΩ load)

±2 V

Offset (typical) 

Noise (typical)

0.3 mV RMS

Source Impedance (typical) 

50 Ω

CMRR (typical) 

80 dB @ 100 Hz; 50 dB @ 10 MHz

Ambient operating temperature

–10 to +40 °C

Ambient storage temperature

–30 to +70 °C

Power requirements

Option 1

Mains adaptor (6 V DC 90 mA or 9 V DC 70 mA)

Option 2 

Removable battery pack (4xAA cells) 

Option 3

Power leads 

Optional extension plugs for mains adaptor


One jack with 1 A current rating


Three plugs with 1 A current rating

Length of input leads

50 cm

Length of BNC lead

125 cm


300 g

Dimension (LxWxH)

111 mm x 22 mm x 14 mm

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