Metadata: Generic I/Q receiver chain — wires are glued: drag any block and its connectors re-route. Click Edit layout for drawing tools and circuit stamps; work autosaves in your browser; export SVG / PNG / layout JSON when done.
Drag to move · marquee-drag empty space to multi-select (Shift-click adds) · arrows nudge (Shift ×10) ·
Del removes · Ctrl-Z/Y undo-redo · Ctrl-C/V copy-paste · Ctrl-D dup · R rotates · double-click text to edit ·
Shift while drawing = orthogonal · box corner / line endpoints show drag handles when single-selected ·
Connect: drag from one element to another — glued wires re-route when blocks move ("Conn →" adds arrowheads).