STEVAL-TDR006V1
2 stage RF power amp: PD84001 + PD84008L-E + LPF N-channel enhancement-mode lateral MOSFETs
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
■VAPC 5 V max
■BeO-free amplifier
■ RoHS compliant |
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.
Order code
STEVAL-TDR006V1
April 2009 |
Doc ID 15623 Rev 1 |
1/18 |
www.st.com
Contents |
STEVAL-TDR006V1 |
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Contents
1 |
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 3 |
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1.1 |
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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2 |
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3 |
Typical performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
4 |
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4 |
Circuit layout |
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5 |
Circuit schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6 |
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6.1 |
PowerFLAT™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
11 |
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6.1.1 |
Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6.2 |
Thermal pad and via design SOT-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
15 |
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6.2.1 |
Soldering profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
16 |
7 |
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
18 |
2/18 |
Doc ID 15623 Rev 1 |
STEVAL-TDR006V1 |
Electrical data |
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Table 2. |
Absolute maximum ratings |
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Symbol |
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Parameter |
Value |
Unit |
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VDD |
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Supply voltage |
15 |
V |
ID |
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Drain current |
2.5 |
A |
TCASE |
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Operating case temperature |
-20 to +85 |
°C |
TA |
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Max. ambient temperature |
+55 |
°C |
2 |
Electrical characteristics |
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TA = +25 °C, VDD = 7.2 V, VAPC adjusted |
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Table 3. |
Electrical specification |
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Symbol |
Test conditions |
Min. |
Typ. |
Max. |
Unit |
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Freq. |
Frequency range |
400 |
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470 |
MHz |
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PIN |
@ POUT = 4 W |
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10 |
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dBm |
ITOTAL |
@ POUT = 4 W and PIN = 10 dBm |
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1.4 |
A |
PAE |
@ POUT = 4 W and PIN = 10 dBm |
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42% - 45% |
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VAPC |
@ POUT = 4 W and PIN = 10 dBm |
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4.5 |
5 |
V |
Harmonics |
@ POUT = 4 W |
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-70 |
dBc |
Doc ID 15623 Rev 1 |
3/18 |
Typical performances |
STEVAL-TDR006V1 |
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3 |
Typical performances |
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Figure 1. Output power and current vs |
Figure 2. |
Supply current vs frequency |
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frequency |
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Figure 3. Input return loss vs frequency |
Figure 4. |
Harmonics vs frequency |
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0 |
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-40 |
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Vdd = 7.2V |
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Pin = 10dBm |
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Vdd = 7.2V |
-4 |
Pout = 36dBm |
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Idq = 140mA + 100mA |
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Vapc = adjusted |
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-50 |
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Pin = 10dBm |
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-8 |
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Harmonics(dB) |
-60 |
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H2 |
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H3 |
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IRL(dB) |
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-12 |
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-70 |
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-16 |
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-80 |
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-20 |
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-24 |
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-90 |
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380 |
400 |
420 |
440 |
460 |
480 |
500 |
520 |
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360 |
380 |
400 |
420 |
440 |
460 |
480 |
500 |
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Frequency (MHz) |
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Frequency (MHz) |
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4/18 |
Doc ID 15623 Rev 1 |
STEVAL-TDR006V1 |
Typical performances |
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Figure 5. |
Low pass filter - insertion loss |
S21(dB)
-5
-15
-25
-35
-45
-55
-65
-75 |
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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)
S11(dB)
Low pass filter - Input Return Loss
0
-5
-10
-15
-20
-25
-30
-35 |
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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 |
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STEVAL-TDR006V1 |
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Table 4. |
Parts list |
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Designator |
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Value |
Quantity |
Manufacturer |
Part code |
Size |
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C1, C5, C6, C20 |
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1 µF |
4 |
EPCOS |
B45196E6105K209 |
CASE_B_TANT |
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C1F |
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2.2 pF |
1 |
Murata |
GRM1885C1H2R2CZ01 |
603 |
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C2, C3, C4 |
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120 pF |
3 |
Murata |
GRM1885C1H121J, |
603 |
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GRM1885C1H121JA01 |
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C2F, C3F |
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3.3 pF |
2 |
Murata |
GRM1885C1H3R3CZ01 |
603 |
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C4F, C5F |
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2.2 pF |
2 |
Murata |
GRM1885C1H2R2CZ01 |
603 |
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C6F |
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4.7 pF |
1 |
Murata |
GRM1885C1H4R7CZ01 |
603 |
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C7 |
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100 nF |
1 |
Murata |
GRM188R71E104K |
603 |
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C7F, C8F |
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3.9 pF |
2 |
Murata |
GRM1885C1H3R9CZ01 |
603 |
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C8, C10 |
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470 pF |
2 |
Murata |
GRM1885C1H471J |
603 |
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C9 |
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470 pF |
1 |
Murata |
GRM1885C1H471J |
603 |
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C9F |
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1.2 pF |
1 |
Murata |
GRM1885C1H1R2CZ01 |
603 |
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C11 |
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9.1 pF |
1 |
Murata |
CQM1885C1H9R1D |
603 |
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C13 |
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22 pF |
1 |
Murata |
GRM1885C1H220J |
603 |
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C14 |
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33 pF |
1 |
Murata |
GRM1885C1H330J |
603 |
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C15, C16 |
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18 pF |
2 |
Murata |
CQM1885C1H180J, |
603 |
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GQM1885C1H180J |
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C17 |
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8.2 pF |
1 |
Murata |
CQM3295C2A8R2D |
603 |
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C19 |
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9.1pF |
1 |
Murata |
CQM1885C1H9R1D |
603 |
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DC-Con |
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5 poli |
1 |
Phoenix Contact |
1725685 |
2.54mm, 5 poli |
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L1 |
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24 nH |
1 |
Coilcraft |
0603HC-24NXJLW |
603 |
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L1F, L2, L2F, L3F, L4F |
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12.5 nH |
5 |
Coilcraft |
A04TJLB_12.5nH |
1606 |
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L3 |
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7.5 nH |
1 |
Coilcraft |
0603HC-7N5X_BW |
603 |
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L4 |
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1.6 nH |
1 |
Coilcraft |
0603HC-1N6XJLW |
603 |
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L5 |
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5 nH |
1 |
Coilcraft |
A02TJLC_5nH |
1606 |
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PD84001 |
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LDMOS |
1 |
STMicroelectronics |
PD84001 |
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PD84008L |
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LDMOS |
1 |
STMicroelectronics |
PD84008L-E |
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R1 |
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300 |
1 |
Tyco/Electronics |
CRG Series Thick Film |
603 |
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Neohn |
Chip |
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R2 |
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3 K |
1 |
Tyco/Electronics |
CRG Series Thick Film |
603 |
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Neohn |
Chip |
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R3, R6 |
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16 |
2 |
Tyco/Electronics |
CRG Series Thick Film |
603 |
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Neohn |
Chip |
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R4 |
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3.6 K |
1 |
Tyco/Electronics |
CRG Series Thick Film |
603 |
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Neohn |
Chip |
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R5 |
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8.2 K |
1 |
Tyco/Electronics |
CRG Series Thick Film |
603 |
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Neohn |
Chip |
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6/18 |
Doc ID 15623 Rev 1 |