User Manual

Typical Charact

eristics

Typical Chara

cteristics

Typical characteristics (Tables 2 and 3) describe typical but not guaranteed performance for both probes.

Table 2: Typical electrical characteristics

Differential input resistance, DC coupled 1 MΩ

Common mode input resistance 500 kΩ

Differential input capacitance

<1.0 pF at 1 MHz

Common-mode input capacitance

<2.0 pF per side at 1 MHz

Harmonic distortion

≤1.5% measured using 495 mV

RMS

(or 1.4 V

P-P

) output at

100 MHz

Offset accuracy ±10 mV ±2% of offset setting at 20 to +30 °C (68 °F to

+86 °F)

Differential offset range ±4.25 V (÷ 5), ±42 V (÷ 50)

Common mode rejection ratio (See Figure 5 on page 5.) (See Figure 6 on page 6.)

System noise

Referred to probe output

<2.0 mV

RMS

(4.25 V range (÷ 5)), <1.0 mV

RMS

(42 V range

(÷ 50))

Input impedance

(See Figure 7 on page 6.)

Bandwidth limit ≥ –3 dB at 5 MHz

Propagation delay

6.5 ns from probe tip to output

Figure

1: Typical bandwidth (P6250)

P6250 & P6251 Technical Reference 3