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4.8 V NPN Common Emitter Medium Power Output Transistor Technical Data
AT-31625
Features
* 4.8 Volt Operation * +28.0 dBm Pout @ 900 MHz, Typ. * 70% Collector Efficiency @ 900 MHz, Typ. * 9 dB Power Gain @ 900 MHz, Typ. * -31 dBc IMD3 @ Pout of 21 dBm per Tone, 900 MHz, Typ. * 50% Smaller than SOT-223 Package
MSOP-3 Surface Mount Plastic Package
Outline 25
Description
Hewlett Packard's AT-31625 is a low cost, NPN medium power silicon bipolar junction transistor housed in a miniature, MSOP-3 surface mount plastic package. The AT-31625 can be used as a driver device or an output device, depending on the specific application. The AT-31625 features +28 dBm CW output power when operated at 4.8 volts. Excellent gain and superior efficiency make the AT-31625 ideal for use in battery powered systems. The AT-31625 is fabricated with Hewlett Packard's 10 GHz Ft SelfAligned-Transistor (SAT) process. The die are nitride passivated for surface protection. Excellent device uniformity, performance and reliability are produced by the use of ion-implantation, selfalignment techniques, and gold metalization in the fabrication of these devices.
Pin Configuration
COLLECTOR 4
Applications
* Medium Power Driver Device for Cellular/PCS, ISM 900, WLAN * Output Power Device for ISM 900, Cordless, WLAN
EMITTER 1 2 3 EMITTER BASE
4-43
5965-5911E
AT-31625 Absolute Maximum Ratings
Symbol VEBO VCBO VCEO IC PT Tj TSTG Parameter Emitter-Base Voltage Collector-Base Voltage Collector-Emitter Voltage Collector Current Power Dissipation [2] Junction Temperature Storage Temperature Units V V V mA W C C Absolute Maximum[1] 1.4 16.0 9.5 320 1.0 150 -65 to 150 Thermal Resistance[3]: jc = 65C/W
Notes: 1. Permanent damage may occur if any of these limits are exceeded. 2. Derate at 15.4 mW/C for Tc > 85C. Tc is defined to be the temperature of the collector pin 4, where the lead contacts the circuit board. 3. Using the liquid crystal technique, VCE =4.8 V, Ic =50 mA, Tj =150C, 1-2 m "hot-spot" resolution.
Electrical Specifications, TC = 25C
Symbol Parameters and Test Conditions
Freq. = 900 MHz, VCE = 4.8 V, ICQ = 5 mA, CW operation, Test Circuit A, unless otherwise specified
Units
Min.
Typ. Max.
Pout C IMD3
Output Power [1] Collector Efficiency [1] 3rd Order Intermodulation Distortion, 2 Tone Test, Pout each Tone = +21 dBm [1] Mismatch Tolerance, No Damage [1]
Pin = +19 dBm Pin = +19 dBm F1 = 899 MHz F2 = 901 MHz
dBm % dBc
+27.0 55
+28.0 70 -31 7:1
Pout = +28 dBm any phase, 2 sec duration
IE = 0.2 mA, open collector IC = 1.0 mA, open emitter IC = 5.0 mA, open base V V V 1.4 16.0 9.5
BVEBO BVCBO BVCEO
Emitter-Base Breakdown Voltage Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage
hFE ICEO
Forward Current Transfer Ratio Collector Leakage Current
VCE = 3 V, IC = 180 mA VCEO = 5 V
-- A
80
150
330 15
Note: 1. With external matching on input and output, tested in a 50 ohm environment. Refer to Test Circuit A.
4-44
AT-31625 Typical Performance, TC = 25C
Frequency = 900 MHz, VCE = 4.8 V, ICQ = 5 mA, CW operation, Test Circuit A, unless otherwise specified.
31 29
OUTPUT POWER (dBm) COLLECTOR EFFICIENCY (%) COLLECTOR EFFICIENCY (%)
source = 0.73 -156 load = 0.42 -179
100 90 80 70 60
32 30
OUTPUT POWER (dBm)
source = 0.73 -156 load = 0.42 -179
100 90 80 70 60 50 40 30 12
source = 0.73 -156 load = 0.42 -179
27 25 23 21 19 17 15 13 11 2 4 6 Pout
28 26 24 22 20 18 16 14 12 6 8 10 12 14 16 18 20 22 INPUT POWER (dBm) 3.0 V 3.6 V 4.8 V
50 40
c
30 20
10 0 8 10 12 14 16 18 20 22 INPUT POWER (dBm)
3.0 V 3.6 V 4.8 V 14 16 18 20 22
INPUT POWER (dBm)
Figure 1. Output Power and Collector Efficiency vs. Input Power.
Figure 2. Output Power vs. Input Power Over Bias Voltage.
Figure 3. Collector Efficiency vs. Input Power Over Bias Voltage.
Pin = +19 dBm
32 30
OUTPUT POWER (dBm)
28 26
IMD (dBc)
OUTPUT POWER (dBm)
-10 -15 -20 -25 -30 -35 TC = +85C TC = +25C TC = -40C 6 8 10 12 14 16 18 20 22 -40 -45 -50 8 IMD5 10 12 14 16 18 20 22 24 IMD3
30.0 29.5 29.0 28.5 28.0 27.5 27.0 26.5 26.0 800
80 70 60
24 22 20 18 16 14
Pout
50 40 30 20 10 0 1000
840
880
920
960
INPUT POWER (dBm)
OUTPUT POWER/TONE (dBm)
FREQUENCY (MHz)
Figure 4. Output Power vs. Input Power Over Temperature.
Figure 5. IMD3, IMD5 vs. Output Power Per Tone.
Figure 6. Output Power and Collector Efficiency vs. Frequency.
Note: Tuned at 900 MHz, then Swept over Frequency.
0 -2
RETURN LOSS (dB)
source = 0.73 -156 load = 0.42 -179
-4 -6 -8 -10 -12 Input R.L. -14 -16 -18 800 850 900 950 1000 Output R.L.
FREQUENCY (MHz)
Figure 7. Input and Output Return Loss vs. Frequency.
4-45
COLLECTOR EFFICIENCY (%)
source = 0.73 -156 load = 0.42 -179
0 -5
31.0
source = 0.73 -156 load = 0.42 -179
30.5
source = 0.73 -156 load = 0.42 -179 c
100 90
AT-31625 Typical Large Signal Impedances
VCE = 4.8 V, ICQ = 5 mA, Pout = +28.0 dBm source Freq. MHz Mag. Ang. 800 0.661 -149.0 825 0.679 -150.6 850 0.697 -152.4 875 0.712 -154.2 900 0.727 -155.8 925 0.740 -157.5 950 0.754 -159.0 975 0.767 -160.4 1000 0.777 -162.1 Mag. 0.382 0.394 0.403 0.412 0.422 0.426 0.432 0.437 0.438
load
5.5 5.0 4.5
Ang. -171.3 -172.8 -174.6 -176.5 -179.0 179.3 177.2 174.9 172.5
Ccb (pF)
4.0 3.5 3.0 2.5 2.0 0 2 4 6 8 10
Vcb (V)
Figure 8. Collector-Base Capacitance vs. Collector-Base Voltage (DC Test).
SPICE Model Parameters
Die Model
CPad C CPad B CPad
Lb1 B 0.2 Lb2 Rb2 B E1 C E2 Cce Lc1 C
Packaged Model
Cbc
Die
Die Area = 1.2 CPad = 0.43 pF Label BF IKF ISE NE VAF NF TF XTF VTF ITF PTF XTB BR IKR ISC NC VAR NR Value 150 299.9 9.9E-11 2.399 33.16 0.9935 1.6E-11 0.006656 0.02785 0.001 23 0 54.61 81 8.7E-13 1.587 1.511 0.9886
Cbe
E1 Label TR EG IS XTI CJC VJC MJC XCJC FC CJE VJE MJE RB IRB RBM RE RC Value 1E-9 1.11 3.598E-15 3 1.4E-12 0.4776 0.2508 0.001 0.999 5.06E-12 1.148 0.5965 0.752 0 0.01 2.488 1.288
E2
0.2 Label Cbc Cbe Cce Lb1 Lb2 Rb2 Le1 Lc1 Value 0.009 pF 1.20 pF 0.48 pF 1.53 nH 0.045 nH 0.1 0.38 nH 0.47 nH Le1
E
4-46
AT-31625 Typical Scattering Parameters, Common Emitter, ZO = 50
VCE = 3.0 V, Ic = 200 mA, Tc = 25C Freq. S11 GHz Mag. Ang. dB
0.05 0.10 0.25 0.50 0.75 0.90 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0.72 0.77 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 -150 -166 179 169 161 156 153 146 140 133 126 120 114 30.7 25.3 17.5 11.6 8.2 6.7 5.9 4.1 2.7 1.7 0.7 0.0 -0.6
S21 Mag.
34.19 18.43 7.54 3.81 2.58 2.17 1.97 1.61 1.37 1.21 1.09 1.00 0.93
Ang.
113 99 86 74 65 59 56 48 40 32 26 19 13
dB
-34.0 -34.0 -28.0 -23.1 -20.9 -19.2 -18.4 -16.5 -14.9 -13.6 -12.8 -11.7 -11.1
S12 Mag.
0.02 0.02 0.04 0.07 0.09 0.11 0.12 0.15 0.18 0.21 0.23 0.26 0.28
S22 Ang.
40 42 57 64 63 62 61 58 54 49 45 41 36
Mag.
0.56 0.52 0.51 0.51 0.52 0.52 0.52 0.53 0.54 0.54 0.55 0.55 0.56
Ang.
-120 -148 -169 -178 177 175 174 170 167 164 160 156 152
VCE = 3.6 V, Ic = 200 mA, Tc = 25C
0.05 0.10 0.25 0.50 0.75 0.90 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0.71 0.76 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 -148 -165 180 169 161 156 153 146 140 133 127 121 115 31.2 25.9 18.1 12.2 8.8 7.3 6.4 4.7 3.3 2.1 1.3 0.4 -0.2 36.39 19.69 8.06 4.07 2.75 2.31 2.10 1.71 1.46 1.28 1.16 1.05 0.98 114 100 86 75 65 60 56 48 40 33 26 19 13 -34.0 -34.0 -28.0 -24.4 -20.9 -19.2 -18.4 -16.5 -14.9 -14.0 -12.8 -11.7 -11.1 0.02 0.02 0.04 0.06 0.09 0.11 0.12 0.15 0.18 0.20 0.23 0.26 0.28 41 43 57 64 64 62 61 58 54 50 46 41 37 0.56 0.51 0.50 0.50 0.51 0.51 0.51 0.52 0.53 0.54 0.54 0.55 0.55 -117 -146 -168 -177 178 176 174 171 168 164 161 157 153
VCE = 4.8 V, Ic = 200 mA, Tc = 25C
0.05 0.10 0.25 0.50 0.75 0.90 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0.70 0.75 0.77 0.77 0.77 0.77 0.77 0.77 0.77 0.77 0.77 0.77 0.77 -145 -164 -180 169 161 157 154 147 140 134 127 121 115 31.7 26.4 18.7 12.7 9.3 7.8 7.0 5.2 3.8 2.6 1.7 0.9 0.3 38.47 20.90 8.57 4.33 2.92 2.45 2.23 1.81 1.54 1.35 1.22 1.11 1.03 115 100 87 75 66 60 57 48 41 33 27 20 13 -34.0 -34.0 -28.0 -24.4 -20.9 -19.2 -18.4 -16.5 -14.9 -14.0 -12.8 -12.0 -11.1 0.02 0.02 0.04 0.06 0.09 0.11 0.12 0.15 0.18 0.20 0.23 0.25 0.28 41 43 57 64 64 62 61 58 54 50 46 41 37 0.56 0.50 0.49 0.49 0.49 0.50 0.50 0.51 0.51 0.52 0.53 0.54 0.54 -114 -144 -167 -176 179 176 175 172 168 165 162 158 154
Typical Performance
35 30 25
GAIN (dB) GAIN (dB)
35 MSG 30 25 MAG 20 15 10 5 0 0.25 0.75 1.00 1.50 2.00 2.50 -5 0.05 0.25 0.75 1.00 1.50 2.00 2.50 |S21|2 MSG MSG
35 MSG 30 MAG
GAIN (dB)
25 20 15 10 5 0 0.05
MAG
20 15 10
|S21|2 5 0 -5 0.05
MSG
|S21|2
MSG
0.25 0.75
1.00
1.50
2.00
2.50
FREQUENCY (GHz)
FREQUENCY (GHz)
FREQUENCY (GHz)
Figure 9. Insertion Power Gain, Maximum Available Gain, and Maximum Stable Gain vs. Frequency. VCE = 3.0V, Ic = 200 mA.
Figure 10. Insertion Power Gain, Maximum Available Gain, and Maximum Stable Gain vs. Frequency. VCE = 3.6V, Ic = 200 mA. 4-47
Figure 11. Insertion Power Gain, Maximum Available Gain, and Maximum Stable Gain vs. Frequency. VCE = 4.8V, Ic = 200 mA.
AT-31625 Typical Performance, TC = 25C
Frequency = 1800 MHz, VCE = 4.8 V, ICQ = 15 mA, CW operation, Test Circuit B, unless otherwise specified.
35 30 OUTPUT POWER (dBm) 25 20 15 10 5 0 0 4 8 12 16 20 INPUT POWER (dBm) Pout 30 70 60 50 40 COLLECTOR EFFICIENCY (%) 0
source = 0.75 -135 load = 0.39 -179
-5 RETURN LOSS (dB)
source = 0.75 -135 load = 0.39 -179
-10
Output R.L.
-15 Input R.L. -20
c
20 10 0 24
-25 1700
1750
1800
1850
1900
FREQUENCY (MHz)
Figure 12. Output Power and Collector Efficiency vs. Input Power.
Figure 13. Input and Output Return Loss vs. Frequency.
AT-31625 Typical Large Signal Impedances
VCE = 4.8 V, ICQ = 15 mA, Pout = +25.0 dBm source Freq. MHz Mag. Ang. 1700 0.717 -131.8 1725 0.724 -132.6 1750 0.732 -133.4 1775 0.743 -134.3 1800 0.752 -135.4 1825 0.763 -136.3 1850 0.773 -137.0 1875 0.780 -137.8 1900 0.788 -138.7 Mag. 0.373 0.378 0.381 0.386 0.390 0.394 0.397 0.401 0.403
load
Ang. -174.3 -175.6 -176.7 -177.9 -179.1 179.5 178.4 177.1 175.7
4-48
Test Circuit A: Test Circuit Board Layout @ 900 MHz
VBB VBB
R2 R1 T1 R3 C2 C3 L1 R4 L2 R5 C6 C5 C8 C9 9/96
VCC VCC
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 R1 R2 R3 R4 R5 T1 L1 L2 100.0 pF 100.0 pF 100.0 nF 6.8 pF 100.0 nF 100.0 pF 2.7 pF 1.5 F 10.0 F 100.0 pF 2.2 750.0 2.2 10.0 10.0 MBT 2222A 18.0 H 18.0 H
38.1 (1.5)
C1
C4
C7
C10
INPUT
PA3 DEMO 76.2 (3.0)
B-MFG0141
OUTPUT
CW Test VCE = 4.8 V ICQ = 5.0 mA Freq. = 900 MHz
Test Circuit: FR-4 Microstrip, glass epoxy board Dielectric Constant = 4.5 Thickness = 0.79 (.031)
NOTE: Dimensions are shown in millimeters (inches).
Test Circuit A: Test Circuit Schematic Diagram @ 900 MHz
VBB
CW Test VCE = 4.8 V ICQ = 5.0 mA Freq. = 900 MHz
VCC
2.2 B DC C E Transistor
750 2.2 10 100 nF
10 100 pF 80 /4 @ 900 MHz 100 pF 80 /4 @ 900 MHz 50 100 pF RF OUT = 19.91 (.784) 2.7 pF 100 nF 1.5 F 10 F
18 H
18 H
100 pF RF IN 6.8 pF
50 = 5.38 (.212)
4-49
Test Circuit B: Test Circuit Board Layout @ 1800 MHz
VBB VBB
R2 R1
T1
VCC
C5 L1 R4 L2 R5 C8 C9 9/96
C3
VCC
R3
38.1 (1.5)
C2 C7
C1
C4
C6
C10
INPUT
PA3 DEMO 76.2 (3.0)
B-MFG0141
OUTPUT
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 R1 R2 R3 R4 R5 T1 L1 L2
100.0 pF 100.0 pF 100.0 nF 3.0 pF 100.0 nF 1.4 pF 100.0 pF 1.5 F 10.0 F 100.0 pF 2.2 350.0 2.2 10.0 10.0 MBT 2222A 18.0 H 18.0 H
CW Test VCE = 4.8 V ICQ = 15.0 mA Freq. = 1800 MHz
Test Circuit: FR-4 Microstrip, glass epoxy board Dielectric Constant = 4.5 Thickness = 0.79 (.031)
NOTE: Dimensions are shown in millimeters (inches).
Test Circuit B: Test Circuit Schematic Diagram @ 1800 MHz
VBB
CW Test VCE = 4.8 V ICQ = 15.0 mA Freq. = 1800 MHz
VCC
2.2 B DC C E Transistor
350 2.2 10 100 nF
10 100 pF 80 /4 @ 1800 MHz 100 pF 80 100 nF 1.5 F 10 F
18 H
18 H
/4 @ 1800 MHz 50 100 pF RF OUT = 10.49 (.413) 1.4 pF
100 pF RF IN 3.0 pF
50 = 0.89 (.035)
4-50
Part Number Ordering Information
Part Number AT-31625-TR1 AT-31625-BLK No. of Devices 1000 25 Container 7" Reel Carrier Tape
Package Dimensions
MSOP-3 Surface Mount Plastic Package
3.12/3.23 (.123/.127) R 0.25 (.010) MAX 0.18/0.25 (.007/.010) SEE DETAIL A
4.62/5.03 (.182/.198)
0.76 REF (.030)
2.64/2.82 (.104/.111)
0.51 (.020) DIA X 0.15 (.006) DEEP REF PIN 1 0.76 REF (.030)
1.91 (.075) BASIC 4.80/5.00 (.189/.197) TOP VIEW
1.09/1.42 (.043/.056) 1.22/1.60 (.048/.063)
SEATING PLANE 0.58/0.69 (.023/.027) SIDE VIEW
LEAD TIP COPLANARITY
0.10 (.004)
0.10/0.25 (.004/.010)
R 0.20 (.008) MIN R 0.20/0.33 (.008/.013) 0.25 (.010) GAUGE PLANE SEATING PLANE 0 MIN/8 MAX
0.41/0.86 (.016/.034) DETAIL A
NOTE: DIMENSIONS ARE SHOWN IN MILLIMETERS (INCHES)
4-51
Tape Dimensions and Product Orientation for Package MSOP-3
REEL
CARRIER TAPE USER FEED DIRECTION COVER TAPE
2.00 0.05 (.079 .002) 1.75 (.069) 1.5 (.059) 4.0 (.157) 0.30 0.05 (.012 .002)
5.50 0.05 (.217 .002)
12.0 0.3 5.2 (.472 .012) (.205)
R 0.3 (.012)
R 0.5 (.020) TYP
8.0 (.315)
1.5 (.059)
5.2 (.205)
1.75 (.069)
NOTES: 1. DIMENSIONS ARE SHOWN IN MILLIMETERS (INCHES) 2. TOLERANCES: .X 0.1 (.XXX .004)
4-52

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