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Motorola MTR3000 Basic Service Manual

Motorola MTR3000
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2-8
Figure 2-3 800/900 MHz Receiver Module Functional Block Diagram
LPF
RF_RX_IN
RX
Custom
SYNTH IC
16.8 MHz REF
Buffer
Buffer
PREIN
Driver
Final
Metering IC
Abacus_Clock
Abacus 2
nd
LO
Inj_Final
RX_LO_IN
16.8 MHz REF
RX_IF
Custom BE
IC
3.3V
18 MHz REF
IF Amp
RX BE
2
nd
LO +
Loop Filter
IOUTL
System
Clock Loop
Filter
System
Clock Tank
Circuit
IOUTC
16.8MHz
Reference
VCO_SLV
VCO_LD
LOOP
FILTER
EEPROM
LPF
VCO_EN
Aux DAC
RX_ATTEN
CPLD
RX_Standby
Vcc_CP
Iout
Trident
Reset
Trident Reset
1
st
IF XTAL2
nd
IF XTAL
Custom BE IC SPI
12V
10V
5V
3.3V
2.775V
Backplane Connector
14.2V
10V
16.8MHz Ref
Switched Voltage
Reg.
Image FilterFixed BPF
EEPROM SPI
CPLD SPI
Synth SPI
Metering, EEPROM,Synth SPI
14.2V
LO
RF
IF
Unequal
Splitter
Voltage Controlled Oscillator
(VCO)
Receiver Front End Circuitry
Receiver Back End Circuitry
Synthesizer Circuitry
Custom Back End
Receiver IC Circuitry
Memory Circuitry
ADC Metering Circuitry
Voltage Reg.
VCO Buffer
Amplifier 800
RX VCO1
12V
Super
filter
12V
Low Pass
Filter
VSL_DC
PI PAD
Attenuator
VSL_DC
PI PAD
Attenuator
10V_RX
EN
OUT
SL
RX VCO2
EN
OUT
SL
VCO Buffer
Amplifier 900
VCO RF
Switch
10V_RX
10V_RX
Atten
LNA
8V
Custom BE IC SSI

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Motorola MTR3000 Specifications

General IconGeneral
BrandMotorola
ModelMTR3000
CategoryAccessories
LanguageEnglish

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