The Tektronix P6135(A) is a differential probe pair matched to minimize differences in impedance and signal delay, to maintain CMRR up to 20,000:1 when used with differential amplifiers such as the 7A13, 7A22 or 11A33. Note that unlike most x10 probes, the P6135 and P6135A have an input resistance of 1 MΩ rather than 10 MΩ.

Tektronix P6135
150 MHz, ×10 differential probe pair
Tektronix P6135 (one of a pair)

Compatible with 1 MΩ scope inputs

Produced from 1987 to (?)

Manuals


The P6135 is a subminiature modular probe with a limited compensation range around 15 pF. The P6135A is a larger compact modular probe and comes with three different tips for increased compensation range, matching the 11A33 − red, 7A13 − black, and 7A22 − blue. The P6135A model can therefore be seen as a replacement of the P6055.

Key Specifications

Bandwidth 150 MHz on 11A33, 90 MHz on 7A13
Max. Input ±500 V (DC + peak AC) derated above 1.3 MHz
Attenuation Adjustable to ×10
Compensation Range
  • P6135: 1 MΩ // 13-17 pF
  • P6135A, red tip: 1 MΩ // 13-17 pF
  • P6135A, black tip: 1 MΩ // 18-22 pF
  • P6135A, blue tip: 1 MΩ // 45-49 pF
Input Impedance
  • P6135: Please Add
  • P6135A, red tip: 1 MΩ // 10.5 ± 0.6 pF
  • P6135A, black tip: 1 MΩ // 11.0 ± 0.6 pF
  • P6135A, blue tip: 1 MΩ // 13.7 ± 0.6 pF
CMRR 10,000:1 on 11A33, 20,000:1 on 7A13

Pictures

P6135

P6135A