What does Hi-Z input mean?
high impedance
Hi-Z (or High-Z or high impedance) refers to an output signal state in which the signal is not being driven. The signal is left open, so that another output pin (e.g. elsewhere on a bus) can drive the signal or the signal level can be determined by a passive device (typically, a pull-up resistor).
What will be the output of an active high tristate buffer if the control line is low?
The output of an active-high inverting tri-state buffer, such as the 74LS240 octal buffer, is activated when a logic level “1” is applied to its “enable” control line. When the enable line is LOW at logic level “0”, the buffer output is disabled and at a high impedance condition, Hi-Z.
What is HI-Z and LO Z?
The real difference between high- and low-Z microphone cable types is the number of wires inside the cable. High-Z cables use two-conductor cables (positive and ground), and low-Z cables use three-conductor cables (positive, neutral and ground).
Is Bass a Hi-Z?
If you plug a passive bass straight into a normal mixer input, then you will lose some high end to the impedance mismatch. This is not always a problem, some people like it. A DI solves this problem. Active basses are always low-Z.
What’s the difference between TTL and CMOS ICs?
The switching difference between a TTL IC output and a CMOS IC input has to be accounted for. The mixed CMOS/TTL [74ACTxx, 74HCTxx, 74AHCTxx, and 74FCTxx] logic devices have TTL logic input switching levels and CMOS output switching levels.
Which is an example of a Hi-z input?
A typical guitar, for example, generally needs to be connected to a Hi-Z input. Otherwise the electronics will be “ loaded down” and the sound will be significantly altered.
What does hi-Z mean in the audio industry?
This refers to the input or output impedance of a device (in our cases an audio device). Precisely what Hi-Z means, and how it is applied in the audio industry, is not entirely concrete.
What does high impedance mean in digital electronics?
Digital electronics. In digital circuits, a high impedance (also known as hi-Z, tri-stated, or floating) output is not being driven to any defined logic level by the output circuit.