Motorola APX 2000 - Page 921

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012620001) 8-90
8.3 Transceiver (RF) Boards: UHF1 (84012620001)
Figure 8-29. Transceiver (RF) Mainboard Overall Schematic
V_2.8_RF
V_SW_3.60
UNSW_B+
RF_ANT
BAT_STATUS
IF1
IF2
IF3
IF4
TX_INJ
1
1
1
1
ulc_uhf1_pa
PA_OUT
VC
TX_INJ
TX_7V
FILT_RAW_B+
IF5
1
IF7
IF6
IF8
IF9
DIG_CTRL_ATTH
1
1
1
1
ulc_antswi_uhf1
DIG_VRVS
ANT_SWI
FILT_RAW_B+
PA_OUT
RF_OUT
RX_IN
DC_LIN_3V
IF18
IF14
1
1
ulc_tx_hf_uhf1
HF_OUT
RF_OUT
IF22
HF_OUT
1
SPI_DSP_CLK_A
SPI_DSP_MOSI
DC_LIN_3V
V_EXT_1.85
ABACUS_SPI_CS
DC_LIN_5V
F2_SYNCB
16.8_MHZ_SINEWAVE
ULC_RX_BE
DIG_CTRL_SPI_PC
DIG_DATA_SPI_PD
DC_LIN_3V
DC_LIN_1_875V_D
TL_RX_IF
DIG_RX_SYNCB
DIG_CTRL_SPI_PE
DC_LIN_5V
CLK_16_8_MHZ
RX_FSYNC_CONN
RX_DA_CONN
RX_CLK_CONN
DIG_RX_BE_DOUTB
DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_DOUTA
CLK_SSI_RX
DC_LIN_5V
ulc_mixer
DC_LIN_5V
TL_RX_LO
TL_RX_MIX_IN
TL_RX_IF_OUT
IF21
1
RF_RX_UHF1_FE_OUT
ulc_rxfe_uhf1
TL_RX_UHF1_FE_IN
ANA_RX_FE_TUNE
DIG_CTRL_RXU
DC_LIN_1_8V_A
IF10
IF11
IF12
IF13
DC_LIN_1_8V
1
1
1
1
RF_ANT
ULC_ALC
ANA_RX_FE_FILT_VTUNE
FILT_RAW_B+
VCTRL
TX_7V_1
TXH
RF_OUT
TX_SWI
DC_LIN_1_875V_D
DC_RAW_B+
DIG_CTRL_I_LIMIT
DIG_CTRL_TX_INH
DIG_DATA_SPI_MOSI
DIG_CTRL_ATTH
COUPLER
TXH_1
DIG_DMCS
DIG_GPIO49
DIG_SPI_CLK
SW_B+
ANA_CTRL_VSET
ANA_CTRL_ISET
DC_LIN_5V
DC_LIN_3V
HF_OUT
DC_LIN_3V
DC_LIN_5V
RF_SW_B+
DIG_CTRL_I_LIMIT
DIG_CTRL_ATTH
DC_LIN_1_5V
DC_LIN_1_8V
DC_LIN_5V
DC_LIN_3V
RF_SW_B+
ulc_dc
RF_ANT
DC_LIN_1_5V
DC_LIN_1_8V
DC_FUSED_B+
RF_SW_B+
DC_LIN_3V
DC_LIN_5V
BAT_STATUS
DC_BATT
DC_SWI_3_6V
DC_LIN_2_775V
TX_CLK_CONN
TRIDENT_SPI_CS
RF_BRD_RSTB
LOCK_DET_A
F2_PARAMP
TX_INHIBIT
ISET
V_EXT_1.85
RF_DAC_SPI_CS
TX_FSYNC_CONN
F2_DMCS
SPI_DSP_MOSI
TX_DA_CONN
SPI_DSP_CLK_A
SPI_DSP_MISO
F2_SYNCB
RX_CLK_CONN
ABACUS_SPI_CS
RX_FSYNC_CONN
RX_DA_CONN
16.8_MHZ_SINEWAVE
DIG_CTRL_I_LIMIT
16.8_MHZ_SINEWAVE
TX_INJ
DIG_CTRL_ATTH
ulc_fgu_uhf1
GPO7
GPO5
VCO_VCTRL
VCO_IN
DIG_CTRL_SPI_TRIDENT_PE
CLK_16_8_MHZ
DIG_DATA_TX_SSI
RX_LO
TX_INJ
GPO3
DC_SUPER_FILTER_5V
GPO4
GPO8
GPO6
GPO2
GPO1
DIG_SPI_CLK
DC_LIN_5V
DIG_DATA_SPI_MOSI
DIG_TX_SSI_FS
DIG_TX_SSI_CLK
TXH
DIG_DATA_SPI_MISO
DC_LIN_2_775V
DIG_CTRL_RSTB
DIG_CTRL_LOCK
DIG_CTRL_SSI_TRIGGER
DC_LIN_1_5V
DC_LIN_1_875V_D
IF23
V_2.8_RF
DC_LIN_1_5V
DC_LIN_5V
V_EXT_1.85
1
IF15
IF16
IF17
IF19
IF20
1
1
1
1
1
ulc_vco_uhf1
VCTRL
GPO2
GPO1
DC_SUPER_FILTER_5V
VCO_OUT
ABACUS
TX_OP
MIXER GPS_BT
HF
BALUN
VCO 2ND_LOFGU DRIVER
ALC_DC
RX_FE
ALC
SH2
SH1
SH4
SH5
SH7
SH8
SH10
SH11
SH3
SH15
SH6
SH16 SH17
SH12
1 2
1
2
1
2
1 2
1
21
2
1
21
2
1
2
1
2
1
2
1 2 1 21
2
COUPLER