background image

1

2

3

4

5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

R238

1K

R215

10K

C206
100nF

R214

10K

BIAS-OP2

BIAS-DRV

C210
3p3F

L200

33uH

D205
BAT17

D206
BAT17

C207

68pF

C208

68pF

C209
6-100pF

A200

F/R_COAX

AIN0

1

AIN1

2

AIN2

3

AIN3

4

AIN4

5

AIN5

6

AIN6

7

AIN7

8

AIN8

9

AIN9

11

AIN10

12

GND

10

VCC

20

REF-

13

REF+

14

CS

15

DO

16

DI

17

CLK

18

EOC

19

U203

TLC542

1

4

10

13

2

5

9

12

3

6

8

11

7

14

U202

74HC125

R205

10K

R222

4.7K

+5V

DATA-IO
CLK
CS

+5V

+5V

R213

10K

BIAS-OP1

+5V

R204

39K

R212
10K

C202
100nF

+5V

Q202

NDT3055

1
2

J202

CON2

3

3

PA50 100W Power Amplifier

D

21-Feb-2002

00:02:56

C:\Program Files\Design Explorer 99 SE\rft\PA50.ddb - HFPA_Support.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

RF-FILT

R216

100K

R217

100K

+5V

R203
39K

R207
10K

R230

47K

R229

47K

C201
100nF

R242
1M

R202

1.5K

C203
100nF

R200

15K

R236

4.7K

+5V

TempLED

RFOLED

R225

1K

R226

1K

J204

LINK

J205

LINK

J203

LINK

CurrSense

DrvSense

B1Sense
B2Sense

PwrSense

R211

10K

R210

10K

R206

10K

+5V

R224

560R

R223

100R

S1
S2

S0

S1

S2

S0

S1
S2

S0

S[0..2]

Forward & Reflected Power Meter

Fan Switch and Temperature Indicator

Measurement Interface

Bias Voltage Temperature Compensation

Bias Voltage Adjustments

RF Output Indicator

Identification Jumpers

V+

1

Vo

2

GND

3

U204
LM61

+5V

+5V

+5V

+ C204

10uF

R237

4.7K

R241
180K

C200

100nF

J200

COAX-PAD

D203
SM4004

D207
BZX84C10

D202
ZRC400F03

Q201

MMBT3904

Q200
3904

Q203

FMMT38C

D204
BAS21

R239

1K

R240

1K

R227
100K

R228
100K

R218

22R

R220

22R

Vin

1

GND

2

Vout

3

U205
LM7805CT

+ C205

10uF

+28F

2

3

1

U200A

LM224

5

6

7

U200B

LM224

V+

4

V-

11

U200E
LM224

14

13

12

U200D

LM224

9

10

8

U200C

LM224

V+

4

V-

11

U201E
LM224

2

3

1

U201A

LM224

5

6

7

U201B

LM224

9

10

8

U201C

LM224

14

13

12

U201D

LM224

+28F

R201
6K8

R231
56K

R243

10K

R244

4.7K

+5V

D200
BAV99

D201
BAV99

+28V

R235

33R

Pwr-Rev

Pwr-Fwd

C211

100nF

RF-UNFILT

R208

68K

C213
1nF

C212
100nF

C214

1nF

TP203

TEST-POINT

TP204

TEST-POINT

TP200
TEST-POINT

C219

1nF

C221
1nF

R209

4.7K

R219

1K

C220
1nF

C222
1nF

VREFB

C218
22pF

C217
22pF

1
2
3
4
5
6

J201

CON6

Pwr-Fwd
Pwr-Rev

Pwr-Rev

Pwr-Fwd

Temperature

Содержание Pa50 Eclipse Series

Страница 1: ...gy rfinfo rftechnology com au October 2003 Revision 2 PA50 Amplifier Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10 8 Leighton Place Hornsby NSW 2077 Australia Co...

Страница 2: ...4 4 I O Connections 4 5 Circuit Description 5 5 1 Driver Stage 5 5 2 Output Stage 5 5 3 Low Pass Filter 5 5 4 Bias Supply 5 5 5 Reflectometer 6 5 6 Metering Circuits 6 6 Specifications 7 6 1 Physical...

Страница 3: ...ication and not an alarm condition as the exciter monitors the PA50 temperature at all times in order to keep within safe operating limits 2 Internal Adjustments All internal adjustments are factory s...

Страница 4: ...egrees This reading deviates by 10mV per degree of change TP203 Reverse voltage output from the reflectometer TP204 Forward voltage output from the reflectometer DB9 pin 1 GND DB9 pin 2 O P drain curr...

Страница 5: ...provide a balanced feed for the push pull output stage 5 2 Output Stage The output stage amplifies the 5 10 W from the driver to in excess of 150 W for final delivery into the low pass filter Q100 an...

Страница 6: ...0 provides a DC reference point for the diodes 5 6 Metering Circuits These circuits are included so that the exciter can interrogate the PA and read all the vital operating levels U203 is an A to D co...

Страница 7: ...The PA50 is designed to fit into a 19 inch rack mounted frame The installed height is 4RU or 178mm and the depth is 350mm The amplifier is 125mm wide An extruded aluminium heatsink with vertical fins...

Страница 8: ...us up to 60 degrees C ambient Spurious Emissions less than 0 25uW Maximum Heatsink Temperature 110 degrees C Mismatch Protection Protected from damage by control from the exciter Connectors Antenna co...

Страница 9: ...RF Technology PA50 Page 9 A ENGINEERING DRAWINGS A Engineering Drawings 1 Block Diagram 2 Main PCB Schematics 3 sheets...

Страница 10: ...63V NPO 1206 46 3310 01N0 C109 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C110 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C111 Capacitor 1nF 5 63V NPO 1206 46 3310 01N0 C112 Capacitor 1nF 5 63V NPO 1206...

Страница 11: ...10 AV99 D102 Diode BAV99 SOT 23 21 3010 AV99 D103 Diode BAV99 SOT 23 21 3010 AV99 D200 Diode BAV99 SOT 23 21 3010 AV99 D201 Diode BAV99 SOT 23 21 3010 AV99 D202 Diode ZRC400F03 4 096V reference 3 100p...

Страница 12: ...stor 1R 10 3W axial wirewound 51 1053 001R R113 Resistor 0R05 20W T0 220 51 T220 0R05 R114 Resistor 100K 1 200ppm 0805 51 8511 100K R115 Resistor 100K 1 200ppm 0805 51 8511 100K R116 Resistor 100K 1 2...

Страница 13: ...238 Resistor 100K variable 11 turn 4mm gull wing 53 SMV1 100K R235 Resistor 33R 5 1W 200ppm 1218 51 8251 0033 R236 Resistor 4K7 5 1206 51 3380 04K7 R237 Resistor 4K7 5 1206 51 3380 04K7 R238 Resistor...

Страница 14: ...H 7 turns CW 6 35mm ID 37 0635 1507 L3 Inductor 247nH 9 turns CW 6 35mm ID 37 0635 1509 L4 Inductor 247nH 10 turns CW 6 35mm ID 37 0635 1510 L5 Inductor 284nH 10 turns CW 6 35mm ID 37 0635 1510 L6 Ind...

Страница 15: ...pF 500V Silver Mica 1210 48 3003 03P9 C13 Capacitor 47pF 1 500V Silver Mica 1210 48 3003 047P C14 Not Fitted C15 Capacitor 18pF 1 500V Silver Mica 1210 48 3003 018P C16 Capacitor 82pF 1 500V Silver Mi...

Страница 16: ...6nH Coilcraft Maxispring 37 MAXI 246N L106 Inductor 380nH Coilcraft Maxispring 37 MAXI 380N Front Panel PCB R1 Resistor 100R 5 0 25W axial 51 1040 0100 D1 Diode LED Yellow RA 21 1010 LEDY D2 Diode LED...

Страница 17: ......

Страница 18: ...lts Rev Volts Driver Bias Q101 Bias Q100 Bias Temperature Compensation Q100 Bias voltmeter Q101 Bias voltmeter Temperature Compensation Driver Drain Current Q101 Bias voltmeter Q100 Bias voltmeter O P...

Страница 19: ...26 1K J204 LINK J205 LINK J203 LINK CurrSense DrvSense B1Sense B2Sense PwrSense R211 10K R210 10K R206 10K 5V R224 560R R223 100R S1 S2 S0 S1 S2 S0 S1 S2 S0 S 0 2 Forward Reflected Power Meter Fan Swi...

Страница 20: ...ge Output Stage Bias Voltage Measurement Interface Drain Current Meter L100 BEADS C112 1nF C102 100nF C100 100nF C118 10uF R112 1R0 28V R100 470R 5V Drain Current Meter 5V 5V DrvSense Drv DCurr RF UNF...

Страница 21: ...Size A3 Date 21 Feb 2002 Sheet of File C Program Files Design Explorer 99 SE rft PA50 ddb Drawn By 1 6 2 7 3 8 4 9 5 J2 DB9 D3 LED D2 LED D1 LED 28V 28V Power LED Over Temperature LED RF Output LED D...

Страница 22: ...ut Low Pass Filter C12 see table C25 see table Drv DCurr R1 1 2K R2 1 2K 28V C8 470uF L1 3u3H C6 100nF C7 1nF 28F 28F DrvSense C14 see table C17 see table C20 see table C23 see table C26 see table C24...

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