SP5668
SP5668 is 2.7GHz 3-Wire Bus Controlled Synthesiser manufactured by Mitel Networks.
2.7GHz 3-Wire Bus Controlled Synthesiser Preliminary Information
DS4538
- 1.6 January 1997
. The SP5668 is a single chip frequency synthesiser designed for tuning systems up to 2.7GHz. The RF preamplifer contains a divide by two prescaler which can be disabled for applications up to 2GHz so enabling a step size equal to the parison frequency up to 2GHz and twice the parison frequency up to 2.7GHz. parison frequencies are obtained either from a crystal controlled on- chip oscillator or from an external source. The device contains three switching ports, P0
- P2, together with an ’in- lock’ flag output. Various test modes including varactor disable and charge pump disable are...