Motorola MTR3000 Basic Service Manual

MTR3000 Receiver Module 2-7
Figure 2-2 UHF Receiver Module Functional Block Diagram
LPF
RF_RX_IN
RX
Custom
SYNTH IC
VCO Buffer
Amplifier
16.8 MHz REF
Buffer
Buffer
PREIN
Driver Final
Metering IC
RX VCO1
12V
Super
Filter
RX_LO_IN
16.8 MHz REF
RX_IF
Custom BE
IC
3.3V
18 MHz REF
IF Amp
IOUTL
IOUTC
12V
16.8MHz
Reference
Low Pass
Filter
LNA
Image Filter
VSL_DC
PI PAD
Attenuator
VSL_DC
PI PAD
Attenuator
OP
AMP
LOOP
FILTER
EEPROM
LPF
VCO_EN
Aux DAC
EN
OUT
SL
RX VCO2
EN
OUT
SL
RX_ATTEN
CPLD
RX_Standby
Vcc_CP
Iout
Trident
Reset
Trident Reset
Custom BE IC SPI
Custom BE IC SSI
12V
10V
5V
3.3V
2.775V
Backplane Connector
14.2V
10V
16.8MHz Ref
Switched Voltage
Reg.
Atten
TBPF
EEPROM SPI
CPLD SPI
Synth SPI
14.2V
LO
RFIF
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.
8V
1
st
IF XTAL2
nd
IF XTAL
RX BE
2
nd
LO +
Loop Filter
System
Clock Loop
Filter
System
Clock Tank
Circuit
Metering, EEPROM,Synth SPI
Abacus_Clock
Abacus 2
nd
LO
Inj_Final
VCO_SLV
VCO_LD

Motorola MTR3000 Specifications

General

Brand	Motorola
Model	MTR3000
Category	Accessories
Language	English