Motorola MTR2000 Manual page 27

SPI_CLK
DIGITAL_5V
10V
DIGITAL_5V
LOW PASS FILTER
10V
J2001
(Sheet 4)
PRE_SEL_IN
IN OUT
IMAGE FILTER
(Sheet 7)
IN MIXER_RF
OUT
MIXER_LO
LPF PAD
(Sheet 7)
IN
OUT
10V
10V
VCO
(Sheet 15)
INJ_AMP_OUT VCO_RF_OUT
INJ_AMP_IN
INJECTION AMPLIFIER
(Sheet 16)
DIVIDER_TAP
SPI_MOSI D_A_CS 10V
RESET
PREAMP_IN
PRE_SEL_OUT
PRE-SELECTOR
PREAMP
(Sheet 5)
(Sheet 6)
PREAMP_OUT
10V
10V
MIXER
(Sheet 4)
MIXER_IF IF1_IN
IF1_OUT
MIXER_BIAS_POS
FIRST IF
(Sheet 9)
10V
DIGITAL_5V
10V
10V
DIGITAL_5V
15V
10V
15V
CHANGE_FREQ
SYNTHESIZER
BANDSHIFT BANDSHIFT
(Sheet 13)
STEERING_LINE STEERING_LINE
DIV_BUF_IN
SCK
SYN_CS*
10V
10V
10V
DIGITAL_5V
PREAMP_BIAS
DIGITAL_5V
ANALOG_5V
ANALOG_5V
REGULATORS
(Sheet 17)
ANALOG_5V
ANALOG_5V DIGITAL_5V
ABACUS
(Sheet 11)
RF_IN
VERSION_SET
VERSION_ID
BUF_2.1MHZ_IN
+8V 10V
SL_L02
PREAMP_BIAS
INJ_LEVEL
CHANGE_FRQ
REF_LEVEL REF_LEVEL
SL_LEVEL SL_L01
L01_LOCK*
LOCK
VERSION_ID
MOSI
RECEIVER MODULE
MODEL TRD6431C/TRD6411C
D_A_CS*
15V
15V 15V
10VDC_RX 10VDC_RX
+8V +8V
RESET
DIGITAL_5V
RESET
I/0
ODC
ODC
INTERCONNECT
(Sheet 18)
SB1 SBI
DATA
DATA
DATA*
DATA*
SL_LEVEL
SYNTH2_CS*
NOISE_B_CONT.1
NOISE_B_CONT.2
REF_OSC
ADAPT*
10V ANALOG_5V
ANALOG_5V
A_D_CS* A_D_CS*
MISO SPI_MISO
METERING
(Sheet 17) MOSI SPI_MOSI
SCK SPI_CLK
SYNTH1_CS*
RECEIVER BLOCK DIAGRAM
68P81094E11-D
Schematics (Sheet 3 of 27)
12/26/01