Teledyne LeCroy AP034 - Manual (Page 11)

Operator’s Manual
922261-00 Rev A 5
Specifications
Nominal Characteristics
Nominal characteristics describe parameters and attributes that have are guaranteed by design,
but do not have associated tolerances.
Input Configuration: True Differential (+ and – Inputs); with shield Ground connector.
Effective Gain 1 : X1, ч 10, ч 20
Input Coupling: DC. AC Coupling obtained by installing AC Coupling Adapter.
Differential Mode Range: ± 400 mV (÷1 Attenuation)
± 4 V (÷10 Attenuation)
± 8 V (÷100 Attenuation)
Common Mode Range: ± 16 V (÷1 Attenuation)
± 42 V (÷10 Attenuation)
± 42 V (÷20 Attenuation)
Maximum Input Voltage: ± 42 V either input from Ground
Warranted Electrical Characteristics
Warranted characteristics are parameters with guaranteed performance. Unless otherwise noted,
tests are provided in the Performance Verification Procedure for all warranted specifications.
LF Gain Accuracy: 2% into 50 Ω

load 2 , measured at 1 kHz
Common Mode Rejection Ratio 3 (Probe head grounded, DC coupled attenuator):
70 Hz ≥ (80 dB)
1 MHz ≥ (40 dB)
250 MHz ≥ (25 dB)
1
÷10 and ÷20 obtained with external plug-on attenuators
2
Output impedance is 50 Ω, intended to drive 50 Ω. Add uncertainty of termination impedance to accuracy.
3
Teledyne LeCroy measures CMRR with a fixture that connects the probe tip ground to the signal source
ground. This method is necessary to obtain a reproducible CMRR measurement. Often , users leave the probe
tip ungrounded when measuring high frequency signals. Not grounding the probe tip can actually improve
CMRR by allowing some of the common mode signal to be impressed across the entire length of the probe
cable instead of from probe tip to probe ground. The CMRR improvement obtained without grounding the