Figure 8-33. Transceiver (Rf) Board Overall Schematic - Motorola APX 3000 Detailed Service Manual

8-62
UNSW_B+
OUT
V_2.8_RF
IN
V_SW_3.60
IN
RF_ANT
IN
BAT_STATUS
OUT
ISET
IN
RF_DAC_SPI_CS
IN
V_EXT_1.85
IN
DIG_CTRL_I_LIMIT
TX_INHIBIT
IN
SPI_DSP_MOSI
IN
F2_DMCS
IN
F2_PARAMP
IN
TX_FSYNC_CONN
OUT
TX_CLK_CONN
OUT
SPI_DSP_MISO
OUT
RF_BRD_RSTB
IN
LOCK_DET_A
OUT
SPI_DSP_CLK_A
IN
TRIDENT_SPI_CS
IN
TX_DA_CONN
IN
ABACUS_SPI_CS
IN
RX_FSYNC_CONN
OUT
RX_DA_CONN
OUT
RX_CLK_CONN
OUT
F2_SYNCB
IN
16.8_MHZ_SINEWAVE
OUT

Figure 8-33. Transceiver (RF) Board Overall Schematic

SUBDESIGN_SUFFIX=12
DC_FUSED_B+
DC_LIN_1_5V
DC_LIN_2_775V DC_LIN_1_5V
DC_LIN_1_8V
DC_SWI_3_6V DC_LIN_1_8V
DC_LIN_3V
covert_dc
DC_LIN_3V
DC_LIN_5V
DC_BATT RF_SW_B+
BAT_STATUS
TX_INJ
SUBDESIGN_SUFFIX=16
1 IF2
IF
FILT_RAW_B+
IF3
PA_OUT
1 IF
RF_IN
IF4
covert_7800_pa
1 IF
TX_7V
IF6
IF5
1
IF 1 IF
VC
DIG_CTRL_ATTH
SUBDESIGN_SUFFIX=11
ANA_CTRL_ISET
ANA_RX_FE_FILT_VTUNE
ANA_CTRL_VSET
FILT_RAW_B+
DC_LIN_1_85
TXH
DC_LIN_3V
DC_LIN_3V
TX_7V_1
DC_LIN_5V
DC_LIN_5V VCTRL
DC_RAW_B+
RF_ANT
DIG_CTRL_I_LIMIT RF_OUT
DIG_CTRL_TX_INH TX_SWI
covert_alc_7800
DIG_DATA_SPI_MOSI
DIG_DMCS
DIG_GPIO49
DIG_SPI_CLK
SW_B+
RF_SW_B+
TXH_1
HF_OUT DIG_CTRL_ATTH
DIG_CTRL_ATTH
COUPLER
16.8_MHZ_SINEWAVE
DC_LIN_5V
DC_LIN_5V
CLK_16_8_MHZ
V_EXT_1.85
DC_LIN_1_875V_D DIG_DATA_SPI_MISO
DC_LIN_1_5V
DC_LIN_1_5V TXH
V_2.8_RF
DC_LIN_2_775V DIG_TX_SSI_CLK
DIG_CTRL_RSTB DIG_TX_SSI_FS
DIG_CTRL_LOCK GPO1
DIG_CTRL_SSI_TRIGGER GPO2
DIG_DATA_SPI_MOSI GPO3
DIG_CTRL_I_LIMIT
covert_fgu_7800 GPO4
DIG_SPI_CLK GPO6
DIG_CTRL_SPI_TRIDENT_PE
DC_SUPER_FILTER_5V
DIG_DATA_TX_SSI
GPO8
VCO_IN RX_LO
TX_INJ
TX_INJ
VCO_VCTRL
GPO5
SUBDESIGN_SUFFIX=7
DIG_CTRL_ATTH
GPO7
DC_LIN_5V
RF_SW_B+
IF7 IF22
SUBDESIGN_SUFFIX=13
1 IF 1 IF
RF_OUT_2
DC_LIN_3V RF_OUT
RX_IN
FILT_RAW_B+ covert_antswi_7800
PA_OUT
IF9
1 IF ANT_SWI
IF10 DIG_VRVS
IF 1
DC_LIN_1_8V SUBDESIGN_SUFFIX=20 DC_LIN_5V
IF12
IF24
IF 1 IF
1
DC_LIN_1_8V_A RF_RX_FE_B2_OUT
IF13
1 IF
TL_RX_78
DC_LIN_3V IF14
IF
1
DC_LIN_3V
WWP_RX_FE_7800
IF15
IF
1
CTRL_RX_78_LNA_A
IF16
IF
1
CTRL_RX_78_SW1
SUBDESIGN_SUFFIX=22
IF17
IF23
IF 1 DC_SUPER_FILTER_5V IF
IF18 1
VCO_OUT
IF
1 GPO1
IF19
covert_vco_7800
IF 1 GPO2
IF11
1
IF GPO8
IF20
1
IF VCO_VCTRL
Schematics, Boards Overlays, and Parts Lists: Main Board Block: 700–800 MHz (84012501002)
SUBDESIGN_SUFFIX=17
HF_OUT
IF25
covert_tx_hf_7800
IF
HF_OUT_2 1
16.8_MHZ_SINEWAVE
SUBDESIGN_SUFFIX=19
CLK_16_8_MHZ
V_EXT_1.85
DC_LIN_1_875V_D
DC_LIN_3V
DC_LIN_3V
DC_LIN_5V
DC_LIN_5V
SPI_DSP_CLK_A
WWP_RX_BE
DIG_CTRL_SPI_PC
ABACUS_SPI_CS
DIG_CTRL_SPI_PE
SPI_DSP_MOSI
DIG_DATA_SPI_PD
F2_SYNCB
SUBDESIGN_SUFFIX=21
DIG_RX_SYNCB
DC_LIN_5V TL_RX_IF_OUT TL_RX_IF
covert_mixer
TL_RX_LO
TL_RX_MIX_IN
RF SHIELDS
SH1 SH4 SH6 SH8
SHIELD SHIELD SHIELD SHIELD
IF 2ND_LO FGU TXFE
SH2 SH5 SH7 SH9
SHIELD SHIELD SHIELD SHIELD
MIXER ALC1 DC RXFE
SH3
SHIELD
GPS/BT
RX_CLK_CONN
CLK_SSI_RX RX_DA_CONN
DIG_DATA_SSI_RX_DOUTA RX_FSYNC_CONN
DIG_DATA_SSI_RX_FS
DIG_RX_BE_DOUTB
SH10 SH12 SH14
SHIELD SHIELD SHIELD
ANT_SWI PAOP ALC/DC
SH11 SH13 SH15
SHIELD SHIELD SHIELD
ABACUS DRIVER/PA VCO