FM Series Power Amplifier Handbook

www.ptekpower.com Contents Click on Item to jump to the Page Warrantee Specifications Safety Notice Front & Rear Panel Layout Installation Accessory Connections Efficiency V Output Power Schematic PA 500W 150W Schematic Chassis Schematic Control

Limited Warranty

Warranty Service

PTEK (SELLER) warrants that products are free from defects in material and workmanship and meetperformance specifications provided, however, that:

(A) SELLER’ liability under this Warranty is limited to repairing or replacing, at its option, anyproduct delivered here under not conforming to this Warranty;(B) This Warranty is limited to a period of two years;(C) Minor deviations from specifications which do not affect performance are excluded from thisWarranty; and(D) SELLER shall be liable under this Warranty only if:

(1) It is promptly notified in writing by the Buyer upon discovery of the failure of anyproduct toconform to this Warranty,(2) The product is returned to SELLER, transportation charges prepaid by the Buyer,(3) The product is received by SELLER not later than ten days after the last day of thetwo-yearperiod of this Warranty, and(4) SELLER’ examination of the Product discloses to SELLER’S reasonable satisfactionthatsuch defects or failures as may exist have not been caused by misuse, neglect, improperinstallation, repair, alteration, accident or shipping.

The Buyer will prepay freight to and from SELLER on products serviced here under at SELLER’plant; butSELLER may, at its option, elect to perform any repairs here under at the Buyer’s place of business.The foregoing constitutes SELLER’S entire Warranty expressed, implied and/or statutory, except as totitle, and states the full extent of SELLER’S liability to the Buyer or to any other party for any breachofsuch Warranty and for damages, whether direct, special, incidental or consequential; and, other than asexpressly provided in this document. No Warranties, expressed or implied, including anyWarranty ormerchant ability or of fitness for a particular purpose, are made. No employee, representative or agentofSELLER has any authority, expressed or implied, to alter or to supplement the terms of this Warranty.

The Limited Warranty covers parts and labor to the original purchaser for two year. Damagecaused by misuse or shipping is excluded from the warranty. Before returning units or material,contact the factory for a Returned Material Authorization (RMA) number. Ship all material

prepaid. Defective material should be addressed to:

PTEKCustomer Service Manager

1814 Schooldale DriveSan Jose, CA. 95124

(408) 448-3342

Rev record

A...... .........10/1/96B..... ..5/14/96C..... .......1/28/00D... ..11/02/02E...........................................5/27/03F.........................................12/05/03

....................................................................................

....................................

Page 2

110121

110121

Accessory Connecter

Efficiency Vs Output Power

Power

Output

(Watts)

Efficiency

(%)

Power

Output

(Watts)

Efficiency

(%)

Power

Output

(Watts)

Efficiency

(%)

Power

Output

(Watts)

Efficiency

(%)

500 71 300 70 300 70 150 68

450 70 250 65 250 65 100 60

400 68 200 52 200 52 50 40

350 66 150 48 150 48

300 64

250 57

FM500 FM300 FM250 FM150

Reduce Efficiency by 4% when combiningtwo FM500s. All data is +/- 10%

Pin

Number(s)

Accessory Function

1 Forward Power DC Indication 2.4V=600W

2 Final Voltage DC Indication V=V/10

3 Output Power out of range Hi (10V)

8 Lower; Ground to lower the output power

10 Serial; Used when 2 or more amplifiers are combined

13 Remote Off

14 Reverse Power DC Indication 2.4V=600W

5,18,6,19 48V Output (Fan suppply for combiners)

15 Output Power out of range Lo (10V)

20 Raise; Ground to raise the output power

21 Final Current DC Indication Full scale = 2.5V

22 Talk; Used when 2 or more amplifiers are combined

25 Remote on

11,12,23,24 Ground

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

ADD WHEN USING BLF278

ADD WHEN USING BLF278

ADD WHEN USING BLF278 ADD WHEN USING BLF278

CHANGE TO 2.75T0.5 WHEN USING BLF278

<Doc> <RevCode>

<Title>

C

1 1Wednesday, September 03, 2003

Title

Size Document Number Rev

Date: Sheet of

44V

44V

24V

44V

24V

24V

R32100

C675p

C6A12p

R33100

R34100

C1024p

C19

0.01u

C1147p

C150.01u

R21

100

C2347u

C147u

R35100

R24100

R7

1k

R29100

C140.01u

R37100

C447p

D21N4148

R5120

C21

620p

C747p

C18

0.01u

C160.01u

C2247p

L3

R9810k

C17

0.01u

L4T1

15

6

48

SW1

70 deg Trip

1 2

C27620p

R22100

L5

C200.01u

R26100

L6

R23100

C180.01u

L7INDUCTOR

T2

PCB TRFMR

1 5

4 8

R14

470

R13

22

L1D1

1N4148

C19

0.01uR15

50

L2

C11B120p

L10

C30.01u

L?HAIR PIN

C11A120p

C21

0.01u

R25100

C12A120p

R6120

L9

T4

PCB TRFMR

1 5

4 8

C7A6.8p

C947p

C847p

L8

C12B120p

T3

15

6

48

L?HAIR PIN

C26620p

R28100

R30100

R27100

R36100

C2347p

R31100RF IN

44V IN

REV PWR

RF OUT

FWD PWR

24V IN

AGC 1

AGC 2

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

NOT USED ON EXCITERS

NOT USED ON EXCITERS

110853 <RevCode>

Schematic PA 300W 88 to 108MHz

B

1 2Monday, March 08, 2004

Title

Size Document Number Rev

Date: Sheet of

AGC2

AGC1

AGC1

AGC2

IPARF

IPARF

44V

44VR1100

C430.01u

R11100

Q1 MRF150

PRINTED

Q2MRF150

C862p

C3639p

R12100

C1224p

R20

470C31 0.01u

C1447p

R21 10k

R622

T2

PCB TRFMR

1 5

4 8

PRINTED

C471000p

R2100

L2

C3515p

C3415p

C150.01u

R4100

PRINTED

C4847u

C647p

D21N4148

C420.01u

R22100k

R5120

C947p

C32 0.01u

L3T1

15

6

48

C45

0.01u

C4633p

C3739p

C71000p

Q3MRF171

J12

CON20

1234567891011121314151617181920

C3947u

C440.01u

C160.01u

C1047p

L1D1

1N4148

L4

PRINTED

R13100k

C50.01u

C20.01u

C3315p

C3839p

R7120

C1147p

C27120p

L5

C30 0.01u

R9100

R3100

R10100

44V IN

FWD PWR

RF OUT

REV PWR

RF IN

REV PWR

FWD PWR

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

LIVENEUTRAL

POWE AMPLIFIER

+VE

-VE

14

25

FAN SUPPLY

FAN SUPPLY

RF IN

RFOUT

<Doc> <RevCode>

<Title>

D

1 1Sunday, April 11, 2004

Title

Size Document Number Rev

Date: Sheet of

PSU_2

10425 S-350-15 power supply 15V 23.2A

PSU_3

10425 S-350-15 power supply 15V 23.2A

PSU_1

10425 S-350-15 power supply 15V 23.2A

Neon

F1

FAN 24V

F1

FAN 24V

SW4

RAISE LOWER

21

3

F2

FUSE

SW1

OFF/OPERATE

1 2

A

M1

METER A

SW3

SW ROTARY 2P-6W

13

23

6

45 8

9

1

101112

7

14

t

RT1

SURGE LIMITER

1 2

P1

CONNECTOR DB25

13251224112310229218207196185174163152141

D5

90SQ045-ND DIODE SCHOTTKY

J1AC IN

1 2

3

D6

90SQ045-ND DIODE SCHOTTKY

D7

90SQ045-ND DIODE SCHOTTKY

D2

REMOTE OFF

D3

OUTPUT OUT OF RANGE HI

D4

OUTPUT OUT OF RANGE LO

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

RAISE

RAISE

RAISE

REV PWR

SERIAL DATA

SERIAL

TALK

TALK

TALK

TALK

RAISELOWER

SERIALTALK

REV PWRFWD PWR

To Front Pan Metering

FWD PWR METER

REV PWR METER

<Doc> <RevCode>

<Title>

D

1 1Thursday, November 13, 2003

Title

Size Document Number Rev

Date: Sheet of

AGC CONTROL

TEMP

REV PWR

FWD PWR

AGC CONTROL

0V IN

SHUT DOWN

SH

UT

DO

WN

HI

LOHI

LO

MA

IN D

C

48V DC PLUS

48V DC MINUS

48V AC 148V AC 2

220-V AC 1220-V AC 2

SHUT DOWN

SHUT DOWN BAR

FAN 24

SHUT DOWN BAR

24V

12V

24V

24V

5V

44V

-12V

12V

-12V

5V

5V

5V

12V

-12V

24V

44V

12V

-12V

12V

12V

-12V

12V

-12V

-12V

12V

-12V

12V

5V

-12V

12V

-12V

12V12V

-12V

-12V

12V

24V

44V

44V

44V

44V

44V

44V

R5

100k

C347u

J20 12

12

+

-

U9A

LM3243

21

411

C2847u

R5010k

J9

12

12

D5 1N4148

1 2

J8

12

12

J22 12

12

R4410k

C647u

+

-

U5D

LM32412

1314

411

+

-

U8C

LM32410

98

411

C15100p

R19 10k13

2

J1712

12

C25100p

R14 10k

J7

12

12

R394.7k

C247u

J1912

12

D81N4148

1 2

R28

7.5k J4

CON26

1234567891011121314151617181920212223242526

C147u

J2112

12

D61N4005

12

R6222k

R614.7k

J23 12

12

J1512

12

R573.9k

Q2

IRFD9110

4

1

3

C8

47u

J24 12

12

R6527k

C33

100p

U7

PIC16LC58A

171812678910111213

14

3

4

15

16

RA0RA1RA2RA3RB0RB1RB2RB3RB4RB5RB6RB7

VDD

T0CLK

MCLR/VPP

OSC2/CLKOUT

OSC1/CLK

R22

100k

MTG11

J25 12

12

R4510k

R6727k

R6315k

R175.6k

Y1 4MHz RESONATOR

J5

CON3

123

J26 12

12

R2927k

U12

LT1076/DD7

4

5 6 21 7 3

GND

FB/S

EN

SE

VC

VS

W

VIN

SH

DN

ILIM

R12 0.01

MTG21

L2

INDUCTOR

C19100p

LS1

RELAY DPDT

32

4

89

715

106

C24100p

R36100k

R3422k

Q12N3906

D1

10ETF04S

12

3

R60DNI

R4610k

R3810k

R5510k

+

-

U5A

LM324

3

21

411

R401k

J12

CON20

1234567891011121314151617181920

R3710k

R54 10k

C18100p

R10 560

MTG51

+

-

U8A

LM3243

21

411

U6

93LC56

1234 5

678CS

CLKDIDO Vss

ORGNCVcc

R322.2k

MTG91

R4110k

SW1

LINK FOR MASTER

1 2

MTG61

JP1

1 2 3 4

C22100p

MTG41

JP2

1 2 3 4

R6482k

D9

1N4148

12

MTG71

JP3

1 2 3 4

C2918,000u

D3

1N4148

12

R2710k

R511k

JP4

1234

U4 LM78L05

1

3

2VIN

GN

D VOUT

J13

CON1

1

MTG81

JP5

1234

C3018,000u

J14

CON1

1

R68 0

+

-

U8B

LM3245

67

411

C14100p

R3310k

13

2

JP6

1234

R5310k

R5210k1

3

2

R49

POT

13

2

JP7

1 2 3 4

C3118,000u

+

-

U8D

LM32412

1314

411

JP8

1234

R481k

JP9

1234

C3218,000u

J11

12

12

C21100p

R66 JUMPER

JP10

1234

C50.1u

C16 0.1u

JP11

1 2 3 4

R185.6k

C13100p

L1

INDUCTOR

C11100p

JP12

1 2 3 4

R56 10k

R2

2.7k

R31k

C340.01u

R6

10k

J2

CON14

123456789

1011121314

R13

10k

+

-

U5B

LM324

5

67

411

J27 12

12

D2

1N4148

12

D10

1N4148

12

C12

100p

R26 1M

R3510k

R4

3.3k

R20

10k

R11k

C40.1u

J28 12

12

D4 1N4148

1 2

R59 10k

R30 10k

D71N4148

1 2

R4710k

C100.1u

R11 10k

D11

68V

C23100p

D12

68V

R31

10k

C17100p

C204.7u

U2 LM78L12

1

3

2VIN

GN

D VOUT

J16 12

12

MTG31

R4210k

U3

7660

1

2

3

4 5

6

7

8FC

CAP+

GND

CAP- OUT

LV

OSC

V+

+

-

U5C

LM324

10

98

411

C26100p

C74.7u

C90.1u

J6

12

12

R5810k1

3

2

J10

12

12

J18 12

12

C27100p

FWD PWR

REV PWR

110121

Page 7