Avance II

From NMR Wiki

Avance II is series of Bruker BioSpinn Group produced Avance NMR spectrometers (consoles) with up to 8 (?) RF (Radio Frequency) channels, plus lock channel. It is/was produced for NMR spectrometers from 200 to 900 MHz. The main difference from earlier Avance series of spectrometer consoles is introduction of the DRU (Digital Receiving Unit) in it. Avance II console can be accomplished in three different chassies: MicroBay (only 200-400 MHz and up to 3-channel configuration), OneBay (up to 600 MHz?) and TwoBay (Up to 900 MHz and MAS). The main parts of the Avance II console are AQS (AQuisition System) or AQS/2 and BSMS/2 (Bruker Smart Magnet System). In TwoBay configuration two AQS-s modules can be installed simultaneously.

In AQS/2 are located the (main) devices (blocks): ACB (Aquisition Control Board), DRU, RXAD ((receiver with integrated analog to digital converter), REF or REF/2 (REference Unit), SGU (Signal Generation Unit), FCU4 (Frequency Control Unit), TCU3 (Timing Control Unit), GCU (Gradient Control Unit), CCU (Communication Control Unit) and can be located internal amplifiers (BLA2BB, BLAX300) and preamplifiers (PREAMP XBB and PREAMP 1H2H), Router(s). Most of them can be in multiple configuration (more than one device in single AQS).

In BSMS/2 are located: ELCB (Extended Lock Control Board) or CPU/3 (Central Processing Unit) plus LCB (Lock Control Board), SLCB (Sample Level Control Board), GAB (Gradient Amplifier Board), PSU (Power Supply Unit), SCB13 or SCB20 (Shim Control Board), BVT, L-TX (Lock Transmitter), L-RX (Lock Receiver), 2H-TX (Lockswitch), PNK (pneumatics).

Additionally, depending from its configuration, in Avance II console chassis can/are located external amplifiers, VTU (Variable Temberature Unit), MAS devices, etc. To the console external devices, like HPPR or HPPR/2, KBC (keyboard), PC (computer) and others, are connected