SDA Operator’s Manual
AP-1M Hi-Z Adapter
The AP-1M adapter provides a means to connect a high-impedance input to your instrument. In
order to achieve high bandwidth with excellent signal integrity, these instruments have a ±4 V
dynamic range and 50 termination to ground. However, for applications that combine one or
more high-speed signals with slower, higher-voltage signals, the AP-1M provides a 1 M input
impedance path and a full-scale range of ±8 V. It is also suitable as an interface for current
probes that require a 1 M input path.
In addition to acting as a ProLink-to-ProBus adapter, the AP-1M also enables a much larger
offset voltage range (up to ±50 V).
The AP-1M is supplied with a PP005A passive probe.
SDA-OM-E Rev H 59
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