NXR-710
56
Pin No.
Name
I/O
Function
7
TXASSIST
O
Assist voltage output
CN608 (To X58-508 CN351)
1
VO
I
VCO input
2
GND
-
Ground
CN609 (To X58-508 CN303)
1
FIN
O
VCO output
2
SPSCLK0
O
PLL clock output
3
/TXPCS
O
PLL chip select output
4
SPSD0
O
PLL data output
5
33C
O
3.3V power supply
6
50C
O
5V power supply
7
LDT
I
PLL lock detect input
8
REF
O
16.8MHz reference clock output
CN610 (To X45-392 A/3 CN1)
1
TX OUT
O
TX driver output signal (Coaxial)
CN700 (To X53-449 CN301)
1
GND
-
Ground
2
+B
O
Power supply output
3
SB
O
Power supply output
CN701 (To X45-392 A/3 CN203)
1
GND
-
Ground
2
+B
I
Power supply input
3
+B
I
Power supply input
CN800 (To X53-449 CN38)
1
NC
-
No connection
2
/EVCS
I
DA converter chip select signal
3
/IOCS
O
IO expander chip select signal
4
SPSD1
I
Serial data
5
I2CDA
I/O
Serial data
6
SPSCLK1
I
Serial clock
7
I2CCK
I
Serial clock
8
HWV1
O
Hardware version signal
9
/EWP
I
EEPROM write control signal
10
33A
I
3.3V voltage
11
AGC
I
Auto gain control voltage
12
RSSI
O
RSSI voltage
13
GND
-
Ground
14
MOD
I
Audio signal for TX modulation
15
GND
-
Ground
16
SBC
I
SwB control signal
17
SPSD0
I
Serial data
18
SPSCLK0
I
Serial clock
19
/TXPCS
I
TX PLL chip select signal
20
LDR
O
RX PLL lock detect signal
21
/16_8PCS
I
Reference clock PLL chip select signal
22
LDT
O
TX PLL lock detect signal
Pin No.
Name
I/O
Function
23
/RXPCS_TR
I
RX PLL chip select signal
24
TXVCOA
I
TX VCO A control signal
25
RXVCOA/B
I
RX VCO control signal to A or B
26
TXVCOB
I
TX VCO B control signal
27
GND
-
Ground
28
GND
-
Ground
29
RX_CV
O
RX VCO lock voltage
30
TX_CV
O
TX VCO lock voltage
31
RXASSIST
I
RX PLL assist voltage
32
TXASSIST
I
TX PLL assist voltage
33
FWD
O
RF power monitor voltage
34
RAMP
I
RF power control voltage
35
TMP2
O
Temperature of X45 Final unit
36
TMP1
O
Temperature of X45 Final unit
CN801 (To X45-392 A/3 CN204)
1
HWV2
I
Hardware version detect
2
H/L
O
Power control
3
PLIM
O
Power limit control
4
TMP1
I
Temperature of X45 Final unit
5
TMP2
I
Temperature of X45 Final unit
6
FDT
I
Coupler input voltage
7
FAN
O
FAN control
8
ASWC
O
ANT switch control
9
RAMP
O
RF power control voltage
10
8TC
O
8V power supply control
11
GND
-
Ground
CN802 (To X53-449 CN39)
1
IF_SIG
O
450kHz IF signal (Coaxial)
RX VCO/PLL Unit (X58-5070-10)
Pin No.
Name
I/O
Function
CN303 (To X57-794 CN204)
1
FIN
I
VCO input
2
SPSCLK0
I
PLL clock input
3
/RXPCS_TR
I
PLL chip select input
4
SPSD0
I
PLL data input
5
33C
I
3.3V power supply
6
50C
I
5V power supply
7
LDR
O
PLL Lock detect output
8
REF
I
19.2MHz reference clock input
CN350 (To X57-794 CN202)
1
GND
-
Ground
2
NC
-
No connection
3
80C_2
I
8V power supply
4
RXVCOA/B
I
VCO select
5
RX_CV
O
Control voltage output
TERMINAL FUNCTION