49
GEX-P900DAB
-
Pin Functions (U2750B-BFS)
Pin No.
Pin Name
I/O
Function and Operation
1
CP
O
Charge pump output of comparator
2
TH
I
Threshold input of comparator
3
BDSW
I
Band switch input
4,5
GND
GND
6
C1VC
Collector pin 1 of VCO
7
B2VC
Base pin 2 of VCO
8
B1VC
Base pin 1 of VCO
9
C2VC
Collector pin 2 of VCO
10
GND
GND
11
VS
Supply voltage
12,13
SWO1,2
O
Differential output of SAW-driver
14
NWAGC
AGC mode selection
15
SLI
AGC mode selection
16,17
SWI1,2
I
Differential input of SAW-driver
18,19
MXO1,2
O
Differential mixer output
20
VS
Supply voltage
21
GND
GND
22,23
MBI2,1
I
Differential input of mixer B
24,25
MAI2,1
I
Differential input of mixer A
26
GND
GND
27,28
LO2,1
O
Differential output of LO for PLL
U2750B-BFS
CP
TH
BDSW
B2VC
C2VC
GND
VS
SWO1
SWI2
MXO1
SWO2
NW
AGC
SL1
SWI1
MXO2
VS
GND
MBI2
MBI1
MAI2
MAI1
GND
LO2
LO1
B1VC
GND
GND
C1VC
1
2
3
4
5
6
7
8
9
10
11
12
28
27
26
25
24
23
22
21
20
19
18
17
13
14
16
15
VOLTAGE
STABILISATION
SAW-
DRIVER
BAND
SWITCH
VCO
C1 B2 B1 C2
BUF_LO
MIXA
MIXB
Содержание CRT2193
Страница 4: ...4 GEX P900DAB 2 2 EXTERIOR ...
Страница 8: ...8 GEX P900DAB DIGITAL SECTION A 3 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 1 3 ...
Страница 9: ...9 GEX P900DAB SYSTEM CONTROL RF SECTION A 2 3 5 6 7 8 A B C D 5 6 7 8 A a A b A a 1 3 ...
Страница 10: ...10 GEX P900DAB SELECTOR ISOLATOR MUTE POWER SUPPLY ASENSE BSENSE A 1 2 3 4 B C D 1 2 3 4 A a A b A b 1 3 ...
Страница 11: ...11 GEX P900DAB POWER SUPPLY ASENSE BSENSE POWER SUPPLY CEK1033 1 4mH 5 6 7 8 A B C D 5 6 7 8 A a A b A b 1 3 ...
Страница 14: ...14 GEX P900DAB BAND3 RF AMP L BAND RF AMP ANT DUMP POWER SUPPLY PLL A 1 2 3 4 B C D 1 2 3 4 A a A b A a 2 3 ...
Страница 15: ...15 GEX P900DAB L BAND DOWN CONVERTOR 5 6 7 8 A B C D 5 6 7 8 A a A b A a 2 3 ...
Страница 16: ...16 GEX P900DAB 2nd MIXER 1st MIXER PLL SL SAW FILTER NULL DETECTOR A 1 2 3 4 B C D 1 2 3 4 A a A b A b 2 3 ...
Страница 17: ...17 GEX P900DAB DIGITAL SECTION A 3 3 A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 2 3 ...
Страница 20: ...20 GEX P900DAB DAB DECODER RF SECTION A 2 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 3 3 ...
Страница 23: ...23 GEX P900DAB SELECTOR DAC OPT IN OUT A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 3 3 ...
Страница 24: ...A MAIN UNIT 24 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 4 PCB CONNECTION DIAGRAM 4 1 MAIN UNIT A ...
Страница 26: ...26 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...
Страница 27: ...27 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...
Страница 42: ...42 GEX P900DAB AK4321VFP TC74HC126AF TC74HCT541AF ...
Страница 59: ...59 GEX P900DAB 7 3 2 BLOCK DIAGRAM A ...