Table 3.5-1. Power Supply Configuration For Vocon Section - Motorola XTS 2500 Service Manual

3.5-4
Table 3.5-1 lists the supply voltages and the circuits that use these voltages.

Table 3.5-1. Power Supply Configuration for VOCON Section

Supply
Output Voltage
Name
UNSW_B+ 6V – 9V
7.5V (nominal)
SW_B+ 6V – 9V
RFSW_B+ 7.5 (nominal)
VCC5 5V
VSW1 3.6V
V1.875 1.875V dc
V1.55 1.55V dc
V2.9 2.9V dc
February 14, 2012
900 MHz Radio Power: B+ and +5V Routing for VOCON
Unprogrammed
Supply Type
Output Voltage
Battery N/A
Battery N/A
Switching regulator N/A
software
programmable
Switching regulator N/A
Software
programmable
Switching regulator 1.75V dc
Software
programmable
Switching regulator 1.55V dc
Software
programmable
Switching regulator 2.775V dc
Software
programmable
Circuits Supplied
• Mechanical Switch
• Power Switch
• Secure Mode
• VSW1Driver
• Audio Power Amplifier
• DC Power Supply to RF
section
• MAKO IC
• Secure Module
• Smart battery circuitry
• Int./Ext. MIC Bias
• Display LEDs
• 3V regulators (RF)
• MAKO VSW2 Input
• Dual-core processor's
external memory
interface
• FLASH IC
• SRAM
• Dual-core processor
core
• Dual-core processor's
I/O ring
• Digital support circuitry
• Display
• 16.8MHz buffer
• 32.768kHz buffer
6816985H01-F