ST TDR011V1 User Manual

2-stage RF power amplifier with LPF based on the

PD85006L-E and STAP85050 RF power transistors

Features

■ Excellent thermal stability

■ Frequency: 400 - 470 MHz

■ Supply voltage: 13.6 V

■ Output power: 50 W

■ Current: < 10 A

■ Input power: 20 dBm

■ Harmonics level < -45 dBc

■ Output low-pass filter

■ Power detection

■ Temperature sensor

Description

The STEVAL-TDR011V1 demonstration board is
a two-stage 50 W RF power amplifier which
includes an output LPF (low-pass filter) for
harmonics rejection. It also features power
detection and a temperature sensor.

STEVAL-TDR011V1

L = 88.8 mm, W = 47.5 mm

Table 1. Device summary

Order code

STEVAL-TDR011V1

The main purpose of the board is to demonstrate
the functioning and performance of the
PD85006L-E and the STAP85050 devices from
the LdmoST plastic family of RF power
transistors.

The application is specifically designed for 2-way
analog and digital mobile radios.

March 2010 Doc ID 17340 Rev 1 1/12

www.st.com

12

Contents STEVAL-TDR011V1

Contents

1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2/12 Doc ID 17340 Rev 1

STEVAL-TDR011V1 Electrical data

1 Electrical data

1.1 Maximum ratings

Table 2. Absolute maximum ratings

Symbol Parameter Value Unit

V

T

CASE

DD

I

D

T

A

Supply voltage

Drain current 12 A

Operating case temperature -10 to +85 °C

Max. ambient temperature +55 °C

1. Value related to the voltage regulator LD2980ABM50TR used in the application.

1.2 Electrical characteristics

(1)

16 V

TA = +25 °C, VDD = 13.6 V, V

APC

adjusted

Table 3. Electrical specifications

Symbol Test conditions Min. Typ. Max. Unit

Freq. Frequency range 400 470 MHz

P

I

TOTAL

Gain @ P

Harmonics @ P

@ P

IN

@ P

= 50 W 20 dBm

OUT

= 50 W 10 A

OUT

= 50 W 27 dB

OUT

= 50 W -50 / -74 dBc

OUT

Doc ID 17340 Rev 1 3/12

Typical performance STEVAL-TDR011V1

0

10

20

30

40

50

60

70

370 380 390 400 410 420 430 440 450 460 470 480 490

Frequency (MHz)

Pout (W)

3

4

5

6

7

8

9

10

Id (A)

Pout Id

Vdd = 13.6V

Idq = 200 + 2x 200mA

Pin = 20dBm

20

22

24

26

28

30

32

370 380 390 400 410 420 430 440 450 460 470 480 490

Frequency (MHz)

Gain (dB)

Vdd = 13.6V

Idq = 200 + 2x 200mA

Pin = 20dBm

20

25

30

35

40

45

50

55

60

65

380 390 400 410 420 430 440 450 460 470 480 490

Frequency (MHz)

Efficiency (%)

Vdd = 13.6V

Idq = 200 + 2x 200mA

Pin = 20dBm

-10

-8

-6

-4

-2

0

380 390 400 410 420 430 440 450 460 470 480 490

Frequency (MHz)

IRL (dB)

Vdd = 13.6V

Idq = 200 + 2x 200mA

Pin = 20dBm

2 Typical performance

Figure 1. Output power and drain current vs.

Figure 3. Efficiency vs. frequency Figure 4. Input return loss vs. frequency

frequency

TDR011V1_01

TDR011V1-03

Figure 2. Gain vs. frequency

TDR011V1_02

TDR011V1-04

4/12 Doc ID 17340 Rev 1

STEVAL-TDR011V1 Typical performance

24

26

28

30

32

34

36

38

40

42

44

46

10 15 20 25 30 35 40 45 50

Pout (W)

Gain (dB)

380 MHz 400 MHz 420 MHz 440 MHz 460 MHz 470 MHz

Vdd = 13.6V Idq = 200 + 2x 200mA

-80

-70

-60

-50

-40

-30

-20

-10

0

400 410 420 430 440 450 460 470

Frequency (MHz)

Harmonics (dB)

H2 H3

Vdd = 13.6V

Idq = 200 + 2x 200mA

Pout = 50W

0

0.5

1

1.5

2

2.5

30 32 34 36 38 40 42 44 46

Pout (dBm)

Vp1 - Vp2 (V)

380 MHz 400 MHz 430 MHz

460 MHz 470 MHz

0

0.5

1

1.5

2

2.5

3

380 390 400 410 420 430 440 450 460 470

Frequency (MHz)

Vp1 - Vp2 (V)

Po= 47dBm Po= 43dBm Po= 37dBm

Figure 5. Gain vs. output power Figure 6. Harmonics

TDR011V1_05

Figure 7. Vp1-Vp2 vs. output power Figure 8. Vp1-Vp2 vs. output power

TDR011V1_06

TDR011V1-08

Doc ID 17340 Rev 1 5/12

TDR011V1-09

Typical performance STEVAL-TDR011V1

0

2

4

6

8

10

380 400 420 440 460 480

Frequency (MHz)

Id (A)

0

20

40

60

80

100

T (°C)

Id Temp erature

NO FAN ONLY HEATSINK

Figure 9. Drain current and temperature

record on PCB surface

TDR011V1_07

Table 4. Component list

Designator Value Qty Manufacturer Order code Size/package

C1 10 µF 1 Murata GRM31CR61E106KA12 1206

C1f, C2f, C3f 3.9 pF 3 ATC ATC 100B 3R9JW 1111

C1p, C2p 5 pF 2 Murata GRM1885C1H5R0CZ01 0603

C1t 10 pF 1 Murata GRM1885C1H100JA01 0603

C2 100 pF 1 Murata GRM42-6 COG 101J 50 1206

C2a, C3a, C5a, C6a 1 pF 4 Murata GRM1885C1H1R0CZ01 0603

C2t 0.1 µF 1 Murata GRM1885C1H101JA01 0603

C3 0.1 µF 1 Murata GRM188F5H1104ZA01 0603

C3p, C5p 1 pF 2 ATC ATC 100B 1R0JW 1111

C4, C9 0.1 µF 2 Murata GRM188F51H104ZA01 0603

C4p, C6p 9.1 pF 2 ATC ATC 100B 9R1JW 1111

C5, C8, C8a, C10,

C11, C12

100 pF 6 Murata GRM1885C1H101JA01 0603

C5f, C6f 5.6 pF 2 ATC ATC 100B 5R6JW 1111

C6, C7 47 pF 2 Murata GRM1885C1H470JA01 0603

C9a 4.7 µF 1 Murata GRM31CF51H475ZA01 1206

C13 18 pF 1 Murata GRM1885C1H180JA01 0603

C14 15 pF 1 Murata GRM1885C1H150JA01 0603

C14a, C14b 18 pF 2 Murata GRM1885C1H180JZ01B 0603

C15 5.6 pF 1 Murata GRM1885C1H5R6DZ01 0603

C16 39 pF 1 Murata GRM1885C1H390JA01 0603

6/12 Doc ID 17340 Rev 1

STEVAL-TDR011V1 Typical performance

Table 4. Component list (continued)

Designator Value Qty Manufacturer Order code Size/package

C17, C18 150 pF 2 Murata GRM1885C1H151JA01 0603

C19, C20 39 pF 2 Murata ERF1DM5C1H390JD01B 0505

C21 33 pF 1 Murata MA59C0G330J150 0505

C22a 12 pF 1 Murata ERF1DM5C1H120JD01B 0505

C22b 4.7 pF 1 Murata MA59C0G4R7C150 0505

Caf 100 pF 1 ATC ATC 100B 101JW 1111

Ci 2.2 µF 1 Murata GRM188R71A225KE15 0603

Co 1 µF 1 Murata GRM188R71C105KA12D 0603

CS1 1

Integration

Associates, Inc

IA2410 SOT-23 5-pin

CS2 1

Integration

Associates, Inc

IA4210 SOT-23 5-pin

D1a, D2a 2 MACOM MA4P7101F-1072T

D1p, D2p 2 STMicroelectronics BAS70-04WFILM SOT-323

D3a 1 STMicroelectronics MA4P7436-1141T SOD-323

D4a 1 MACOM MA4P275-1141T SOD-323

DB 1 MACOM IA4910 TSSOP 16-pin

J1 1

Integration

Associates, Inc

55935-1410 14-pin, single row

Jb 1 Molex L04220211000 2-pin, 3.5 mm pitch

2 pins -

JP

step

2.54 mm

-90

1 LMI 5-826947-0

o

L1 33 nH 1 Tyco Electronics AS080447-33N

L1a 470 nH 1 Korin Electronics 0805LS-471X_BC 0805LS

L1f, L2f, L3f 9.3 nH 3 Coilcraft AS120252-9R3N

L2

12.55
nH

1 Korin Electronics 1606-10 1606

L2a, L3a 6.8 nH 2 Coilcraft 0603HC-6N8X_BW 0603HC

L3 5.4 nH 1 Coilcraft 0906-5 0906

L4 5.4 nH 1 Coilcraft 0906-4 0906

L5, L6 5 nH 2 Korin Electronics A02T

PD1, PD2 2 STMicroelectronics

STAP85050 (or 2x

PD85035S-E)

PSO-10

PD85006L-E 1 STMicroelectronics PD85006L-E PFLAT

TL1 1 W=0.9 mm, L=2 mm

TL2 1 W=0.9 mm, L=5 mm

Doc ID 17340 Rev 1 7/12

Typical performance STEVAL-TDR011V1

Table 4. Component list (continued)

Designator Value Qty Manufacturer Order code Size/package

TL3, TL15 2 W=0.9 mm, L=8 mm

TL4, TL6, TL16 3 W=0.9 mm, L=4 mm

TL5 1 W=0.9 mm, L=1.2 mm

TL9 1 W=0.9 mm, L=5.7 mm

TL10, TL11, TL18 3 W=0.9 mm, L=6 mm

TL12, TL13 2 W=0.9 mm, L=6.5 mm

TL14, TL17 2 W=0.9 mm, L=2.5 mm

R1, R8, R9 220 Ω 3 Tyco Electronics 0603

R1a, R2, R7, R10 1 kΩ 4 Murata PVZ2A102C04B00

R1p, R2p, R3p, R4p 20 kΩ 4 Tyco Electronics 0603

R1t 100 kΩ 1 Tyco Electronics 0603

R3, R6, R11 2.2 kΩ 3 Tyco Electronics 0603

R4, R5 15 kΩ 2 Tyco Electronics 0603

R5p, R6p, R7p,

RG3, RG4

50 Ω 5 Tyco Electronics 0603

R12 330 Ω 1 Tyco Electronics 0603

R13, R14 1 Ω 2 Tyco Electronics 0603

RF ant, RF in, RF

out PA, to receiver

Johnson 142-0701-801 60 Mils

RG1, RG2 200 Ω 2 Tyco Electronics 0603

RO1 5 kΩ 2 Tyco Electronics 0603

RO2 2 kΩ 2 Tyco Electronics 0603

Thermal Sensor 1 STMicroelectronics STLM20 SOT323-5

Voltage regulator 1 STMicroelectronics LD2980ABM50TR SOT-23-5

8/12 Doc ID 17340 Rev 1

STEVAL-TDR011V1 Circuit layout

3 Circuit layout

Figure 10. Test fixture component layout

Doc ID 17340 Rev 1 9/12

Schematic diagram STEVAL-TDR011V1

4 Schematic diagram

Figure 11. STEVAL-TDR011V1 schematic diagram

14
13
12

Pinout

11
10
9

J1

8
7
6
5
4
3
2

Jb

1

2

Vdd

R1 R8

VGS0

VGS1

Ci

1

Vi

VR

GND

2

INHIBIT

3

Vo

Co

5

+ 5 V

1

R9

C3

GND

GND

1

GND

INHIBIT

GND
nc
INHIBIT
nc
nc
VP2
VP1
nc
V(T)
nc
nc
nc
VGS1
VGS0

L1

C2

C1

C9

C8

R5

R2 R7

C4

2

JP

R3 R6

R4

C5

C10

L2

R10

C11

TL12

TL10

C6 C7

C14b

R11

R12

TL17

C22b

C22a

L5

TL15 TL16

C21

C19

TL9 TL1 4

PD1

R14

R13

C17

C16

TL5 TL6

C15

C14a

TL4

PD85006L

TL18

L6

Tx/Rx

C1p

Vo1

R1p

ower Detector

P

Vo2

R3p R2p

C20

TL11 TL13

PD2

VP2

C18

TL3

C12

RF In

D1p D2p

Vo1

R4p

C2p

VP1

L4

C14

TL2

L3

TL1

C13

ilter

F

Caf

C4p

C1f

C3p

C2f

C5p

C6p

R7p R6p R5p

C3f

hermal Sensor

T

+ 5V

V(T)

R1t

Thermal Sensor

C2t

Ver 0.2

Cif

L1f

C5f

L2f

C6f

L3f

RF Ant

C1t

10/12 Doc ID 17340 Rev 1

STEVAL-TDR011V1 Revision history

5 Revision history

Table 5. Document revision history

Date Revision Changes

31-Mar-2010 1 Initial release.

Doc ID 17340 Rev 1 11/12

STEVAL-TDR011V1

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12/12 Doc ID 17340 Rev 1