User's Manual

SRM9000X8 800MHz SERVICE MANUAL
© TMC Radio 2008 page 33 TNM-M-E-0022 Issue 1
• PLA U300
• DSP U201
• Flash U202
• Digital supply for CODEC U800
Regulated 3.3V supply (3C3)
• Analog supply for CODEC U800
Regulated 3.3V supply (3Q3)
• I/Q demodulator U481
Regulated 3.3V supply (3P3)
• Digital supply for PLL U701
Unregulated 13.8V (13V8_UNSW)
• Tx PA module U500
• Antenna changeover switch Q571/572/573
3.6.2.4 2.5V Regulator U903
Regulated 2.5V supply (2V5)
• DSP core U201
• PLA core U300
3.6.2.5 Negative and Positive High Voltage Power Supply U904E/F
•
+16V output (+16V) for VCO Varicap tuning drivers
•
-12V Output (-12V) for Front end Varicap tuning drivers
3.6.2.6 Unswitched Battery (13V8_UNSW_F)
• Rx audio power amplifier U805
• Rx mute switch Q811