ST TDR006V1 User Manual

2 stage RF power amp: PD84001 + PD84008L-E + LPF

Features

■ Excellent thermal stability

■ Frequency: 400 - 470 MHz

■ Supply voltage: 7.2 V

■ Output power: 4 W

■ Current < 1.4 A

■ Input power < 10 dBm

■ Harmonics level < -70 dBc

■ Load mismatch 20:1

■ V

■ BeO-free amplifier

■ RoHS compliant

APC

5 V max

STEVAL-TDR006V1

N-channel enhancement-mode lateral MOSFETs

Mechanical specification:

L = 40 mm, W = 20 mm

Description

The STEVAL-TDR006V1 is a two stage RF power
amplifier which includes a low pass output filter for
harmonics rejection specifically designed for
portable two-way UHF radio communication.

Table 1. Device summary

Order code

STEVAL-TDR006V1

April 2009 Doc ID 15623 Rev 1 1/18

www.st.com

18

Contents STEVAL-TDR006V1

Contents

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

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

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Typical performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Circuit schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.1 PowerFLAT™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.1.1 Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.2 Thermal pad and via design SOT-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.2.1 Soldering profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2/18 Doc ID 15623 Rev 1

STEVAL-TDR006V1 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 15 V

Drain current 2.5 A

Operating case temperature -20 to +85 °C

Max. ambient temperature +55 °C

2 Electrical characteristics

TA = +25 °C, VDD = 7.2 V, V

Table 3. Electrical specification

Symbol Test conditions Min. Typ. Max. Unit

Freq. Frequency range 400 470 MHz

P

I

TOTAL

PA E @ P

VAPC @ P

Harmonics @ P

@ P

IN

@ P

= 4 W 10 dBm

OUT

= 4 W and PIN = 10 dBm 1.4 A

OUT

= 4 W and PIN = 10 dBm 42% - 45%

OUT

= 4 W and PIN = 10 dBm 4.5 5 V

OUT

= 4 W -70 dBc

OUT

APC

adjusted

Doc ID 15623 Rev 1 3/18

Typical performances STEVAL-TDR006V1

3 Typical performances

Figure 1. Output power and current vs

Figure 2. Supply current vs frequency

frequency

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

0

Vdd = 7.2V

Pin = 10dBm

-4

Pout = 36dBm

Vapc = adjusted

-40

Vdd = 7.2V

Idq = 140mA + 100mA

-50

Pin = 10dBm

-8

-12

IRL (dB)

-16

-20

-24
380 400 420 440 460 480 50 0 520

Frequency (MHz)

4/18 Doc ID 15623 Rev 1

-60

-70

Harmonics (dB)

-80

-90
360 380 400 420 440 460 480 500

H2 H3

Frequency (MHz)

STEVAL-TDR006V1 Typical performances

Figure 5. Low pass filter - insertion loss

-5

-15

-25

-35

S21(dB)

-45

-55

-65

-75

1.0E +08 3.0E+08 5.0E+08 7.0E+08 9.0E+08 1. 1E+ 09 1.3E+09 1.5E+09

F(Hz)

Figure 6. Low pass filter - input return loss

0

Low pass filter - Input Return Loss

-5

-10

-15

-20

S11(dB)

-25

-30

-35

1.0E+08 3.0E+08 5.0E+08 7.0E+08 9.0E+08 1. 1E+09 1.3E+09 1.5E+09

F(Hz)

Doc ID 15623 Rev 1 5/18

Typical performances STEVAL-TDR006V1

Table 4. Parts list

Designator Value Quantity Manufacturer Part code Size

C1, C5, C6, C20 1 µF 4 EPCOS B45196E6105K209 CASE_B_TANT

C1F 2.2 pF 1 Murata GRM1885C1H2R2CZ01 603

C2, C3, C4 120 pF 3 Murata

GRM1885C1H121J,

GRM1885C1H121JA01

603

C2F, C3F 3.3 pF 2 Murata GRM1885C1H3R3CZ01 603

C4F, C5F 2.2 pF 2 Murata GRM1885C1H2R2CZ01 603

C6F 4.7 pF 1 Murata GRM1885C1H4R7CZ01 603

C7 100 nF 1 Murata GRM188R71E104K 603

C7F, C8F 3.9 pF 2 Murata GRM1885C1H3R9CZ01 603

C8, C10 470 pF 2 Murata GRM1885C1H471J 603

C9 470 pF 1 Murata GRM1885C1H471J 603

C9F 1.2 pF 1 Murata GRM1885C1H1R2CZ01 603

C11 9.1 pF 1 Murata CQM1885C1H9R1D 603

C13 22 pF 1 Murata GRM1885C1H220J 603

C14 33 pF 1 Murata GRM1885C1H330J 603

C15, C16 18 pF 2 Murata

CQM1885C1H180J,

GQM1885C1H180J

603

C17 8.2 pF 1 Murata CQM3295C2A8R2D 603

C19 9.1pF 1 Murata CQM1885C1H9R1D 603

DC-Con 5 poli 1 Phoenix Contact 1725685 2.54mm, 5 poli

L1 24 nH 1 Coilcraft 0603HC-24NXJLW 603

L1F, L2, L2F, L3F, L4F 12.5 nH 5 Coilcraft A04TJLB_12.5nH 1606

L3 7.5 nH 1 Coilcraft 0603HC-7N5X_BW 603

L4 1.6 nH 1 Coilcraft 0603HC-1N6XJLW 603

L5 5 nH 1 Coilcraft A02TJLC_5nH 1606

PD84001 LDMOS 1 STMicroelectronics PD84001

PD84008L LDMOS 1 STMicroelectronics PD84008L-E

R1 300 1

R2 3 K 1

R3, R6 16 2

R4 3.6 K 1

R5 8.2 K 1

Tyco/Electronics

Neohn

Tyco/Electronics

Neohn

Tyco/Electronics

Neohn

Tyco/Electronics

Neohn

Tyco/Electronics

Neohn

CRG Series Thick Film

Chip

CRG Series Thick Film

Chip

CRG Series Thick Film

Chip

CRG Series Thick Film

Chip

CRG Series Thick Film

Chip

6/18 Doc ID 15623 Rev 1

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603

603

603

603