MOTOROLA MICRO TAC INTERNATIONAL 8200 GSM CHIPLIST RF/LOGIC BOARD BACK
=========================================================================
 1) XC94A13	 U430	Motorola	IF AMP	
 2) 32D05	 U200	Motorola	RF TX power controller
 3) XC390nnnFU 	 U500	Motorola	GMSK modulator/demodulator (Modem IC)
 X) X-tal 13Mhz
 4) MX7525/7524	 U904	Maxim		8-bit multiplying DAC
 5) 43E08	 U802	Motorola	BIC (Bus Interface Chip) (U703) 
 6) 14051B	 U804	Motorola	8 Ch Analog multiplexer / demultiplexer
 7) MAX153EAP	 U902	Maxim		8 bit ADC
 8) V04 518	 U709
 9) HC4351	 U903	Motorola	8-ch. analog multiplexer with Address Latch
10) MC145480	 U803 	Motorola	PCM CODEC Filter Mu / A- Law
 A) 9953	 Q902	National	Dual P-channel EMFET (D-MOS)
 B) 9953	 Q640	National	Dual P-channel EMFET (D-MOS)
 C) 33209/202	 U600 	Motorola	Dual OP-amp
 
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
X                   .           X
X                   .          .X
X                   . +-------+.X
X .                 . | FILTER|.X
X .                   +-------+.X
X .            .......          X
X .            .     .          X
X              .     .  ......  X
X ..........   .     .          X
X .        ..  .     .         .X
X .         .  .     .   +---+ .X
X .         .  .     .   | 1 | .X
X . .........  .......   +---+ .X
X ...          .     .          X
X              .     .          X
X              .......  ......  X
X .  +---+                      X
X .  | 2 |          +--------+  X
X .  +---+          |        |  X 
X .            .    |   3    |  X
X      +---+   .    | U500   |  X
X      | X |   .    |        |  X
X      +---+   .    +--------+  X
X   ........             +----+ X
X               +---+    | 4  | X
X   +----+      | 5 |    +----+ X
X   | 6  |      +---+           X
X   +----+                      X
X                    +--+ +---+ X
X                    |8 | | 7 | X
X            +------++--+ +---+ X
X   +------+ |  9   |           X
X   |  10  | +------+           X
X   +------+                    X
X                +-+            X
X                |A|            X
X                +-+            X
X  +--+     +-+                 X
X  |C |     |B|                 X
X  +--+     +-+                 X
X HW 3.1 SUF1702B MOTOROLA 8200 X 
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

The BIC interfaces the call processor to the rest of the pcb, 
voltage levels etc. It provides the SIM clock, controls the DSC bus

The Modem IC  xc390221FU takes care of GMSK modulation/de-modulation, coding/decoding, A/D, D/A and 
TX clock control. Here is how it is interfaced :

                                     ________
                                    | X94A11 |
                             -------| IF-AMP |-------
                             ||     |________|      |
          Receive I.Q signal ||          ^ ^        |
                             ||          | |        |
                             ||          | |        |
                             \/     clock| | data   |
                           __________    | |        |500Khz
             CPU DATA     |          |   | |        |
           <------------->| XC39022FU|---o |        | 
                          | Modem IC |---|-o        | 
           -------------->|__________|   | |        | 
             CPU COMMAND       | |       | |        |
                               | |       | |        | 
                               | |       | |        |
     TXAmpCtrl IC 32D08 <------- |      \/ \/       |
                                 |   ____________   |
             Transmit I.Q signal |  |            |  |
                                 -->|  XG82G01   |<--
                                    |  GUSS IC   |
                                    |____________|

                                          |
                       88MHz GMSK signal  |
                                          |
                                         \/
                                       _______
                                      |       |
                       Frq converter  |pc79939|     
                                      |_______|
>                                         |
                                       ___|___   
                                      |  ___  |
                                      | /     |
                                      |_______|
                                          |
                                       ___|___  
                                      |       |
                                      |   ~   |
                                      |_______|
                                          |
                                       ___|___ 
                                      |  ___  |
                                      | /   \ |
                                      |_______|

                                          |
                                          PA

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