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Microprocessor

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20-Feb-2002

23:50:38

C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - MCU.sch

Title

Size:

Number:

Print Date:

File:

Revision:

Sheet

of

A3

RF Technology Pty Ltd

Unit 10, 8 Leighton Place

Hornsby, NSW 2077

Australia

Rev. Release Date: 

Originator:

Rev No.

ECO No.

Description of Change

RXDATA

TXDATA

LINE_LEVEL

EXT_SQ

RESET

LINE_LEVEL_U/D

DE_EMPHA

FLAT

COS_POLARITY

ALARM_LED

FPSW1

SCLK

CTCSS_SEL

MOSI

COS_VOLTS_ON/OFF

SQ

N_DET

RTS

DTR

CTS

RCV_ADSEL

LOOP/VOLTS_SEL

PLL_SEL

MON_SQ

LINE_LEVEL_INC

2nd_LO_BIAS

PE4

48

SS

104

SCK

103

PF1

69

CSP0

73

PF6

74

CSD

72

CSO

68

R/W

38

A19

16

A18

13

A17

12

A16

11

A15

67

A14

66

A13

65

A12

64

A11

63

A10

62

A9

61

A8

60

A7

59

A6

58

A5

57

A4

56

A3

55

A2

54

A1

53

D7

35

D6

34

D5

33

D4

32

D3

31

D2

30

D1

29

D0

28

VCC

2

VCC

14

VCC

42

Vddpll

43

VCC

79

VCC

95

Vref

85

GND

1

GND

15

GND

41

GNDpll

45

GND

80

GND

96

GNDref

86

A0

52

AN7

94

AN6

93

AN5

92

AN4

91

AN3

90

AN2

89

AN1

88

AN0

87

PJ7

10

PJ6

9

PJ4

7

PJ3

6

PJ2

5

PJ5

8

PJ1

4

MODB

50

RESET

40

MODA

49

PE7

51

PE3

39

IRQ

37

XIRQ

36

PJ0

3

PH7

84

PH6

83

PH5

82

PH4

81

PH3

78

PH2

77

PH1

76

PH0

75

PF3

71

PF2

70

A21

18

A19

17

PD7

27

PD6

26

PD5

25

PD4

24

PD3

23

PD2

22

PD1

21

PD0

20

MOSI

102

MISO

101

TxD1

100

RxD1

99

TxD0

98

RxD0

97

PT7

112

PT6

111

PT5

110

PT4

109

PT3

108

PT2

107

PT1

106

PT0

105

EXTAL

46

XTAL

47

XFC

44

BKGD

19

U204

MC68HC812A0

RESET

12

RY/BY

36

CE

9

WE

38

OE

37

A21

39

A20

40

A19

1

A18

2

A17

3

A16

4

A15

5

A14

6

A13

7

A12

8

A11

13

A10

14

A9

15

A8

16

A7

17

A6

18

A5

19

A4

20

A3

21

A2

22

A1

23

A0

24

GND

29

VCC

10

D0

25

D7

35

D6

34

D5

33

D4

32

D3

28

D2

27

D1

26

VCC

31

GND

30

NC

11

U207

29F032

EN1

6

EN2A

4

EN2B

5

S2

3

S1

2

S0

1

VCC

16

GND

8

Y7

7

Y6

9

Y5

10

Y4

11

Y3

12

Y2

13

Y1

14

Y0

15

U205

74HC138

VCC

32

GND

16

CS

22

OE

24

WE

29

A1

11

A18

1

A17

30

A16

2

A15

31

A14

3

A13

28

A12

4

A11

25

A10

23

A9

26

A8

27

A7

5

A6

6

A5

7

A4

8

A3

9

A2

10

D7

21

D6

20

D5

19

D4

18

D3

17

D2

15

D1

14

D0

13

A0

12

U208

K6T4008

GND

GND

+5D1

A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

D7
D6
D5
D4
D3
D2
D1
D0

A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

D7
D6
D5
D4
D3
D2
D1
D0

D7
D6
D5
D4
D3
D2
D1
D0

C211

100nF

C210

100nF

GND

GND

C206

100nF

C205

100nF

C204

100nF

C207

100nF

GND

GND

GND

RESET

R/W

CS0

CSD

CSP0

FWT
FRD

RAMRD
RAMWT

FRDY

FRDY

VCC

20

GND

10

C

11

E

1

O7

2

O6

19

O5

5

O4

16

O3

6

O2

15

O1

9

O0

12

I7

3

I6

18

I5

4

I4

17

I3

7

I2

14

I1

8

I0

13

U209

74HC374

GND

+5D2

D7
D6
D5
D4
D3
D2
D1
D0

FPSW2
FPSW3

LCD_DB0

LCD_DB1

LCD_DB2

LCD_DB3

LCD_DB4

LCD_DB5

LCD_DB6

LCD_DB7

LCD_R/W

LCD_RS

LCD_E

GND

DSR

C216

100nF

RES

1

GND

4

VCC

2

NC

3

NC

5

NC

6

NC

7

NC

8

U203

MC33064D

GND

+5D3

R204
10K

R203
10K

S200

SW-PB

R209

270R

R205
2K7

R210

10K

+

C219

10uF

GND

C202

100nF

C212

100nF

C208

100nF

C222

100nF

C220

100nF

R235

4K7

R207
68K

R202

10K

GND

28V

C203

100nF

GND

GND

GND

Vref

C214

100nF

R212

220R

C225

100nF

R213
1M

DBGTX

DBGRX

BKGD

CTS_TTL

DSR_TTL

RTS_TTL
DTR_TTL

R218
10K

R220
10K

R217
10K

R219
10K

+5D3

+5D1

+5D1

1st_LO_BIAS

R221

470R

RESET

C226

100nF

R222
2K2

PWR_OK

Q200
MMBT3904

+5D3

R226

180R

GND

TP209

ECLK

TP210
RESET

TP207
R/W

TP200
CS0

TP204

RAMRD

TP206

RAMWT

TP205

CSD

TP201

CSP0

TP202

FWT

TP203

FRD

R223
10K

R224
10K

R225
10K

+5LCD

RSSI

SUBTONE_IRQ

+5D3

R228

10K

MOSI

R211
220R

SCLK

CH_EN

R231

120R

R230

120R

A[0..21]

D[0..7]

VIN_SENSE

ECLK

LCD_DB7
LCD_DB6
LCD_DB5
LCD_DB4
LCD_DB3
LCD_DB2
LCD_DB1
LCD_DB0

LCD_DB7

LINE_LEVEL_U/D
LINE_LEVEL_INC

SPARE_I/O3

COS_VOLTS_ON/OFF

1st_LO_BIAS

2nd_LO_BIAS

MON_SQ

PLL_SEL

COS_POLARITY

SQ

CTCSS_SEL

FLAT
DE_EMPHA

RSSI

RCV_ADSEL

LINE_LEVEL

SPARE_SEL

SCK
SD

DBGTX_TTL

TXD_TTL

DBGRX_TTL

RXD_TTL

SUBTONE_IRQ

N_DET

FPSW1
FPSW2
FPSW3

INT

BKGD_ISO

LOOP/VOLTS_SEL

ALARM_LED

RESET

LCD_E

LCD_RS
LCD_R/W

R233
22K

GND

T/R_RELAY_H

11

C

12

13

U201D

14C89A

3

2

U202A

14C88

3

1

C

2

U201A

14C89A

6

4

5

U202B

14C88

8

C

9

10

U201C

14C89A

8

9

10

U202C

14C88

6

4

C

5

U201B

14C89A

11

12

13

U202D

14C88

V+

14

Gnd

7

U201E

14C89A

V+

14

Gnd

7

V-

1

U202E

14C88

+5D3

12V

-12V

GND

C201

100nF

C215

100nF

GND

GND

GND

C217

100nF

R234
1K

Q202
MMBF5484

L200

220uH

+5D2

GND

GND

R236
18K

R237

47K

Q203
MMBT2369A

R238
1K

C221

100nF

R239

1K

R240

10K

Q204

MMBT2369A

R243
220R

R242

47K

GND

R241

22R

R244

10R

GND

Fo_PLL

Fo_PLL

R206
2K2

SPARE_SEL

CH_EN

Q205

MMBT3906

Q206

MMBT3904

R229

10K

+5D2

+5D1

+5D3

L202

BLM31A601

+5D1

L205

BLM31A601

L203
BLM31A601

L204
BLM31A601

+5D1

+5D1

+5D1

X200
14M7456

+5D2

C224

100nF

D200

BAV99

SPARE_I/O1

N_BLK_EN

C209

10nF

R245

12K

R232

560R

SQ_LED

SQ_LED

PLL_SENSE

PLL_SENSE

DSR

CTS

DBGRX

RXDATA

VR201

100K

VR202

100K

GND

GND

Vref

NSQ_IN

CSQ_IN

SPARE_IOT1

SPARE_IOT2

MON_SW

SPARE_MISO

SPARE_IOJ0

SPARE_IOJ1

SW201
MON_SW

GND

R201
10K

+5D3

N_BLK_EN

SPARE_I/O1

SPARE_I/O3

MODB

Содержание R50 Eclipse Series

Страница 1: ...ogy rfinfo rftechnology com au August 2003 Revision 2 R50 Receiver Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10 8 Leighton Place Hornsby NSW 2077 Australia Copy...

Страница 2: ...9 PIN FRONT PANEL CONNECTOR 6 4 CHANNEL PROGRAMMING AND OPTION SELECTIONS 6 5 CIRCUIT DESCRIPTION 7 5 1 R50 MASTER SCHEMATIC SHEET 1 7 5 2 MICROPROCESSOR SHEET 2 7 5 3 RF SECTION SHEET 3 9 5 4 5 4 RE...

Страница 3: ...4 12 Modulation Acceptance BW 19 7 4 13 Noise Squelch 19 7 4 14 Carrier Level Squelch 19 7 4 15 Receiver Frequency Spread 20 7 4 16 Receiver Conducted Spurious Emission 20 7 4 17 Audio Frequency Respo...

Страница 4: ......

Страница 5: ...shold The audio from the 600 Ohm line output and the direct audio output is not effected by the switch position 1 1 3 N SQ The N SQ trimpot is used to set the noise squelch sensitivity Use the followi...

Страница 6: ...hen turn the screw back until the LED just comes ON 1 1 5 LINE The LINE trimpot is used to set the line and direct audio output levels It is normally set to output 0dBm on the Line output when the car...

Страница 7: ...ow alarm 2 3 LOOP Volts Select By default when the squelch opens and the Line output audio is enabled 12V is applied to the Line Line pair through 680 ohms The 12V power source is removed when the squ...

Страница 8: ...can be programmed for each channel One of these advanced features is to program up to 8 frequencies on a channel When this is done we refer to the channel as a slot to avoid confusion as many people e...

Страница 9: ...tone or DCS code 3 Receiver I O Connections 3 1 25 Pin Connector The female D shell 25 pin connector is the main interface to the transmitter The pin connections are described in Table 3 Function Sign...

Страница 10: ...e described in table 4 Function Pins Specification Pin name on IBM PC TXD 2 Transmit Data Output RxD RXD 3 Receive Data Input TxD RTS 8 Request To Send Output CTS CTS 7 Clear To Send Input RTS DTR 6 D...

Страница 11: ...3 and D104 represent the three front panel LEDs 5 2 Microprocessor Sheet 2 Sheet 2 describes the basic microprocessor circuitry The core CPU is the Motorola XC68HC12A0 It is configured in 8 bit data w...

Страница 12: ...verter DAC that sets the levels for the 12MHz reference oscillator bias voltage 21 855MHz oscillator bias voltage noise squelch comparator bias voltage and the LCD bias circuit see 5 4 CH_EN is a seri...

Страница 13: ...will be held in reset until VCC is at the correct level Thus the PWR_OK LED will only light when VCC is within specification and RESET has been released S200 is a momentary push button switch that whe...

Страница 14: ...4 is level shifted and inverted by Q408 to create the blanking signal N_BLK C470 R416 and R414 act to slew the negation of N_BLK without affecting the slew rate of the assertion of N_BLK U303C provide...

Страница 15: ...nated audio signal is amplified by U605A and then fed into the Audio Section Sheet 6 Pin7 of U401 is the Radio Signal Strength Indicator RSSI output U402D is a buffer The RSSI voltage is converted to...

Страница 16: ...tting the bit rate for NRZ data U602 has a built in high pass filter between pins 10 and 11 which can eliminate any subtone or low frequency NRZ data Whilst the Microcontroller can enable or disable t...

Страница 17: ...is a 4 096V 3 reference diode Its output is buffered by U906 which then produces a reference voltage rail Vref which is used by the CPU s A D converter and the DACs and also in the voltage to current...

Страница 18: ...his section The firmware will requests the user for information as to meter readings and or to attach or adjust an AF signal generator The firmware based calibration program can be accessed from a ter...

Страница 19: ...are will expect 57600 BPS and No Parity Note well that if you do change any of these the change will not take effect until you power down the receiver and then power it up again As an alternative to p...

Страница 20: ...ver of the receiver find out the test point TP209 on receiver PCB using a frequency counter to measure the frequency and follow the instruction as bellow Measure the ECLK frequency accurate to 0 5Hz a...

Страница 21: ...TCSS tone can be programmed for each channel This means that each channel number can represent a unique RF and tone frequency combination 7 1 3 DCS From Rev 4 hardware and Rev 4 firmware support for D...

Страница 22: ...ing Red LED 7 3 3 Test Points There are no front panel test points All important test points are monitored by the firmware 7 4 Electrical Specifications 7 4 1 Power Requirements Operating Voltage 16 t...

Страница 23: ...204C 7 4 10 Spurious and Image Rejection 90dB 7 4 11 Intermodulation 80dB 7 4 12 Modulation Acceptance BW 7 5KHz 7 4 13 Noise Squelch a Adjustment range 6 26dB SINAD b Attack time 20mSec Above 20dB Qu...

Страница 24: ...b Audio Nominally equal to 1 volt peak at rated system deviation 7 4 19 Audio Distortion With 750 uSec De Emphasis Less than 3 at 1 KHz and 60 of rated system deviation With Flat Response Less than 3...

Страница 25: ...its are valid then the code is extracted and compared with the code defined for that channel or one of the transformations of that code If the squelch is closed and a period of 120 milliseconds occurs...

Страница 26: ...ay pin on Eclipse transmitters mute the receiver during transmission 7 5 Connectors 7 5 1 Antenna Connector Type N Female Mounted on the module rear panel 7 5 2 Power I O Connector 25 pin D Male Mount...

Страница 27: ...1 77 0 A2 79 7 C2 82 5 B2 85 4 C3 88 5 A3 91 5 C4 94 8 B3 100 0 A4 103 5 B4 107 2 A5 110 9 B5 114 8 A6 118 8 B6 123 0 A7 127 3 B7 131 8 A8 136 5 B8 141 3 A9 146 2 B9 151 4 A10 156 7 B10 162 2 A11 167...

Страница 28: ...603 46 63Y1 100N C221 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C222 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C224 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C225 Capacitor 100N 80 20 Y...

Страница 29: ...PO 50V 0603 46 63N1 270P C420 Capacitor 180P 5 NPO 50V 0603 46 63N1 180P C421 Capacitor 68P 5 NPO 50V 0603 46 63N1 068P C422 Capacitor 68P 5 NPO 50V 0603 46 63N1 068P C423 Capacitor 390P 5 NPO 50V 060...

Страница 30: ...3 46 63N1 015P C476 Capacitor 15U 6 3V A CASE ELECTROLYTIC 45 STSA 10U6 C477 Capacitor 18P 5 NPO 50V 0603 46 63N1 018P C478 Capacitor 18P 5 NPO 50V 0603 46 63N1 018P C479 Capacitor 33P 5 NPO 50V 0603...

Страница 31: ...5 NPO 50V 0603 46 63N1 010P C536 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C537 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C538 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C539 Capacitor 10N 10 X7R 50V 0...

Страница 32: ...Y5V 25V 0603 46 63Y1 100N C630 Capacitor 22N 10 X7R 50V 0603 45 X7R1 022N C632 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C633 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C634 Capacitor 100N 80...

Страница 33: ...iode Dual GP BAV99 SOT23 21 3010 AV99 D906 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D907 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D908 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D909 Diode Schotky 40V 1A SMD 24...

Страница 34: ...tor 27NH 5 0805 37 8551 027N L515 Inductor 39NH 5 37 AC52 039N L517 Inductor 560NH 5 0805 37 8551 560N L516 Inductor 33NH 5 0805 37 8551 033N L901 BLM31 FERRITE BEAD 100mA 1206 37 P034 0001 L902 Induc...

Страница 35: ...W 51 8511 02K7 R206 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R207 Resistor 0805 68K 5 1 8W 51 8511 068K R209 Resistor 0805 270R 5 1 8W 51 8511 270R R210 Resistor 0805 10K 5 1 8W 51 8511 010K R211 Resisto...

Страница 36: ...8W 51 8511 150K R319 Resistor 0805 150K 5 1 8W 51 8511 150K R320 Resistor 0805 4K7 5 1 8W 51 8511 04K7 R321 Resistor 0805 4K7 5 1 8W 51 8511 04K7 R322 Resistor 0805 22K 5 1 8W 51 8511 022K R323 Resist...

Страница 37: ...1 8W 51 8511 022K R442 Resistor 0805 1K 5 1 8W 51 8511 001K R443 Resistor 0805 1K 5 1 8W 51 8511 001K R444 Resistor 0805 100K 5 1 8W 51 8511 100K R445 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R446 Resist...

Страница 38: ...Resistor 0805 22R 5 1 8W 51 8511 022R R549 Resistor 0805 47R 5 1 8W 51 8511 047R R601 Resistor 0805 2K7 5 1 8W 51 8511 02K7 R602 Resistor 0805 10K 5 1 8W 51 8511 010K R603 Resistor 0805 3K3 5 1 8W 51...

Страница 39: ...5 1 8W 51 8511 02K2 R652 Resistor 0805 680R 5 1 8W 51 8511 680R R653 Resistor 0805 0R Jumper 51 8511 000R R654 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R655 Resistor 0805 220K 5 1 8W 51 8511 220K R656 R...

Страница 40: ...IC Audio Amplifier 5W TDA2003 25 2070 2003 U605 IC Quad OP Amplifier LM224 SO14 29 000L M224 U607 IC Quad SPST DG411 SO16 29 00DG 411C U609 IC Quad OP Amplifier LM224 SO14 29 000L M224 U907 IC Switch...

Страница 41: ...ATOR FIL403 X401 CERAMIC DISC 455KHz CERAMIC FILTER 455KHz CERAMIC FILTER X402 21 855MHz U401 FM IF RECEIVER CHIP 1ST VCO 2ND VCO Q501 Q502 X402 REF DUAL PLL CHIP U302 IST VCO BUFFR AMP 2ND VCO BUFFR...

Страница 42: ...38 D9 BAW56 MOSI SCLK 5V R3 100K R4 100K R5 100K R6 100K R7 100K R8 100K R9 100K R10 100K CH1 CH2 CH4 CH8 CH10 CH20 CH40 CH80 PTT_IN T R_RELAY LINE2 LINE2 TONE TONE LINE LINE GPS GPS CH_EN CS2 5V PA_C...

Страница 43: ......

Страница 44: ...13 RX_OUT 15 RX_SUB_OUT 17 COMP 20 WAKE 23 COMP_OUT 21 U602 FX805 D603 BAV99 R614 10K R636 100K R625 100K R623 330K R626 100K C606 1uF 5V R613 10K R620 22R R611 1K5 GND R615 3K3 R642 39K R643 33K R644...

Страница 45: ...R544 22R C513 100nF R549 47R C506 1uF C535 10pF L515 1812SMS 39NJ GND D502 MMBV109 C555 4p7F GND C521 10nF R511 1K GND 1st_LO 2nd_LO C552 330pF C543 10nF 1st_LO 2nd_VCO_OUT GND GND M501 GND 1st_PLL_IN...

Страница 46: ...2335L PLL_SEL 14 13 12 U303D LM224 2 3 1 U303A LM224 R318 150K R319 150K R323 22K R322 22K C318 10uF C319 10uF GND 1st_LO_BIAS 2nd_LO_BIAS C302 100nF REF_ADJ GND GND GND RSSI DISC LCD_BIAS LCD_BIAS 1s...

Страница 47: ...50MHz LOWPASS FILTER frontend filter Simulation file c eagle work 9LP 9HP SCH 1 2 3 4 5 6 MX401 ADE 1H 2nd_LO 2nd_LO C411 330pF C476 1uF R444 100K N_DET 2 3 1 U402A LM224 5 6 7 U402B LM224 9 10 8 U40...

Страница 48: ...T3 L902 DS5022P 224 GND C938 100uF Tantalum ESR 0 3 ohms Max output current is 1A 12V Output current 1mA TP909 12V GND 3 GND 6 Vout 1 EN 5 Vin 2 FB 4 U909 LM2595S 5 GND 3 GND 6 Vout 1 EN 5 Vin 2 FB 4...

Страница 49: ...100nF C210 100nF GND GND C206 100nF C205 100nF C204 100nF C207 100nF GND GND GND RESET R W CS0 CSD CSP0 FWT FRD RAMRD RAMWT FRDY FRDY VCC 20 GND 10 C 11 E 1 O7 2 O6 19 O5 5 O4 16 O3 6 O2 15 O1 9 O0 12...

Страница 50: ...D_BIAS Fo_PLL AGND RF Section RF Sch COS COS SUBTONE DISC_AUD DIR_AUD LINE_O P1 LINE_O P4 EXT_SPEAKER LINE_LEVEL MOSI SCLK CTCSS_SEL MON_SQ FLAT DE_EMPHA SUBTONE_IRQ LOOP VOLTS_SEL COS_VOLTS_ON OFF SQ...

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