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1

2

3

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5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

RF-UNFILT

BIAS-DRV

BIAS-OP1
BIAS-OP2

Drv-DCurr

O/P-DCurr

CurrSense

B1Sense
B2Sense

DrvSense

VREFB

Amplifier
HFPA_Main.sch

BIAS-DRV
BIAS-OP1
BIAS-OP2

RF-FILT

RFOLED

TempLED

CurrSense

B1Sense
B2Sense

PWRSense

DrvSense

Pwr-Fwd

Pwr-Rev

RF-UNFILT

VREFB

Support
HFPA_Support.sch

1

3

PA50 100W Power Amplifier

D

21-Feb-2002

00:00:37

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

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

C5
100nF

C2
100nF

C3
100nF

C4
100nF

+5V

bypass caps

RF-UNFILT

BIAS-DRV
BIAS-OP1
BIAS-OP2

J1

SPADE

J2

SPADE

+28V

O/P-DCurr

+28V

RFOLED
TempLED

PWRLED

CurrSense

B1Sense
B2Sense

R3
15K

R4
1.2K

+28F

C1
100nF
U1

U2

U3

U4

U5

C9

see table

C10

see table

C11

see table

C13
see table

C16
see table

C19
see table

C22
see table

RF Output 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

see table

C21

see table

C18

see table

C15

see table

L2

see table

L3

see table

L4

see table

L5

see table

1
2
3
4
5
6
7
8
9
10

J3

CON10

Pwr-Fwd

Pwr-Rev

C27
100nF

VREFB

L6

see table

C28
see table

C29
see table

SH1 SHIELD_LPF

Ref

L2
L3
L4
L5
L6
C13
C14
C9
C15
C16
C17
C10
C18
C19
C20
C11
C21
C22
C23
C12
C24
C25
C26
C28
C29
L102
L106
C121
C130
C131
C132
C133
C1000
C1001

PA50A
(25-32MHz)
184nH
247nH
284nH
284nH
247nH
56pF
18pF
27pF
27pF
100pF
33pF
33pF
NF
100pF
56pF
18pF
NF
100pF
68pF
3p3F
3p3F
100pF
10pF
68pF
68pF
307nH
558nH
120pF
470pF
100pF
120pF
220pF
180pF
NF

PA50B
(30-40MHz)
150nH
184nH
215nH
215nH
215nH
47pF
15pF
33pF
12pF
100pF
12pF
27pF
4p7F
82pF
47pF
12pF
4p7F
100pF
47pF
5p6F
NF
82pF
10pF
100pF
100pF
307nH
491nH
82pF
330pF
100pF
100pF
180pF
160pF
NF

PA50C
(38-50MHz)
121nH
150nH
184nH
184nH
150nH
47pF
NF
15pF
18pF
82pF
4p7F
12pF
12pF
100pF
NF
12pF
NF
100pF
12pF
3p9F
NF
33pF
39pF
68pF
68pF
246nH
380nH
82pF
180pF
68pF
68pF
180pF
100pF
120pF

«
...
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22

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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