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Features
* * * * * *
Single 3-V Supply Voltage High Power-added Efficient Power Amplifier (Pout Typically 23 dBm) Ramp-controlled Output Power Current-saving Standby Mode Few External Components HP-VFQFP-N16 Package
Electrostatic sensitive device. Observe precautions for handling.
ISM/BluetoothTM 2.4-GHz Power Amplifier T7023 Preliminary
Description
The T7023 is a monolithic SiGe power amplifier. It is especially designed for operation in TDMA systems like Bluetooth, DECT, and many other ISM applications according to FCC part 15. Due to the ramp-control feature and a very low quiescent current, an external switch transistor for VS is not required.
Figure 1. Block Diagram
V1_PA V2_PA V2_PA GND
GND PA_IN
GND
Ramp
GND
GND
GND
SiGe PA T7023
GND
GND
V3_PA_OUT
V3_PA_OUT
V3_PA_OUT
Rev. 4532A-BLURF-09/02
1
Pin Configuration
Figure 2. Pinning HP-VFQFP-N16
V3_PA_OUT V3_PA_OUT V3_PA_OUT GND
GND GND Ramp GND
8765 9 10 11 12 13 14 15 16
V2_PA V2_PA GND V1_PA
4 3 2 1
GND GND PA_IN GND
Pin Description
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Slug Symbol GND PA_IN GND GND GND V3_PA_OUT V3_PA_OUT V3_PA_OUT GND GND RAMP GND V2_PA V2_PA GND V1_PA GND Function Ground Power amplifier input Ground Ground Ground Inductor to power supply and matching network for power amplifier output Inductor to power supply and matching network for power amplifier output Inductor to power supply and matching network for power amplifier output Ground Ground Power ramping control input Ground Inductor to power supply for power amplifier Inductor to power supply for power amplifier Ground Supply voltage for power amplifier Ground
2
T7023
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T7023
Absolute Maximum Ratings
All voltages are referred to ground (Pins GND and slug), no RF
Parameters Supply voltage Pins V1_PA, V2_PA and V3_PA_OUT Junction temperature Storage temperature RF input power PA Symbol VS Tj Tstg PinPA Value 6 150 -40 to +125 10 dBm Unit V C C dBm
Thermal Resistance
Parameters Junction ambient HP-VFQFP-N16 Symbol RthJA Value TBD Unit K/W
Operating Range
All voltages are referred to ground (Pins GND and slug). Power supply points are V1_PA, V2_PA, V3_PA_OUT. The following table represents the sum of all supply currents depending on the TX mode.
Parameters Supply voltage Supply current Standby current Ambient temperature Pins V1_PA, V2_PA and V3_PA_OUT Symbol VS IS IS_standby Tamb -25 Min. 2.7 Typ. 3.0 165 10 +25 +70 Max. 4.6 Unit V mA A C
3
4532A-BLURF-09/02
Electrical Characteristics
Test conditions (unless otherwise specified): VS = 3.0 V, Tamb = 25C
Parameters Power Amplifier Supply voltage Supply current
(1)
Test Conditions Pins V1_PA, V2_PA and V3_PA_OUT TX RX (PA off), VRAMP 0.1 V Standby
Symbol
Min.
Typ.
Max.
Unit
VS IS_TX IS_RX IS_standby f DGp Gp Gp VRAMP max VRAMP min
2.7
3.0 165
4.6
V mA
10 10 2.4 60 28 -40 1.7 1.75 0.1 0.5 42 30 33 -17 1.83 2.5
A A GHz dB dB dB V V mA %
Frequency range Gain-control range Power gain maximum Power gain minimum Ramping voltage maximum Ramping voltage minimum Ramping current maximum Power-added efficiency Saturated output power Input matching (2) Output matching Harmonics at Psat = 23 dBm Harmonics at Psat = 23 dBm Notes:
(2)
TX TX TX Pin PA_IN to V3_PA_OUT TX Pin PA_IN to V3_PA_OUT TX, power gain (maximum) Pin RAMP TX, power gain (minimum) Pin RAMP V = 1.75 V TX TX, input power = 0 dBm referred to Pins V3_PA_OUT TX, Pin PA_IN TX, Pin V3_PA_OUT TX, Pin V3_PA_OUT TX, Pin V3_PA_OUT
PAE Psat Load VSWR Load VSWR 2 fo 3 fo
35 22.5
42 23 <1.5:1 <1.5:1 -30 -30 23.5
dBm
dBc dBc
1. Power amplifier shall be unconditionally stable, maximum duty cycle 100%, true CW operation, maximum load mismatch and duration: VSWR 10:1 (all phases) 10 s, ZG = 50 W. 2. With external matching network, load impedance 50 W
4
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4532A-BLURF-09/02
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Typical Operating Characteristics
Figure 3. Output Power and PAE versus Supply Voltage
50 250
40
PAE I_S_TX
220
Pout (dBm), PAE (%)
30
190
20
f = 2.4 GHz Vramp = 1.8 V PinPA = 0 dBm
Pout
160
10
130
0 2.7 3.1 3.5 3.9 4.3 4.7
100
Supply Voltage (MHz)
Figure 4. Output Power and PAE versus Frequency
50
PAE
250
40
200
Pout (dBm), PAE (%)
30
I_S_TX
150
20
Pout VS = 3 V Vramp = 1.8 V PinPA = 0 dBm
100
10
50
0 2400
2420
2440
2460
2480
0 2500
Frequency (MHz)
Figure 5. Output Power and PAE versus Ramp Voltage
50
PAE
250
30
Pout
200
Pout (dBm), PAE (%)
10
150
-10
I_S_TX f = 2.4 GHz VS = 3 V PinPA = 0 dBm
100
-30
50
-50 1.2 1.4 1.6 1.8 2.0
0
Vramp (V)
I_S_TX (mA)
I_S_TX (mA)
I_S_TX (mA)
5
4532A-BLURF-09/02
Figure 6. Output Power and PAE versus Input Power
50 300
Pout (dBm), PAE (%), Gp (dB)
40
Gain
PAE
250
20
I_S_TX
150
10
VS = 3 V f = 2.4 GHz Vramp = 1.8 V PinPA = 0 dBm Pout
100
0
50
-10 -40
0 -30 -20 -10 0 10
Input Power (dBm)
Figure 7. Pout versus Vramp and Temperature
30
f = 2.4 GHz VS = 3 V Pin = 0 dBm
20
5
Pout ( dBm )
10
0
80
25 -15
-10
-40C
-20 1.0 1.2 1.4 1.6 1.8
Vramp ( V )
Figure 8. Output Power versus VRamp Current
30 25 20
Output Power ( dBm )
15 10 5 0 -5 -10 -15 -20 0.1 1.0 10.0 100.0 1000.0
0C -40C 40C
80C
Vramp current ( A )
6
T7023
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I_S_TX (mA)
30
200
T7023
Figure 9. I versus VRamp Current
200 180 160
-40C
140 120
I ( dBm )
100
0C
40C
80 60 40
80C
20 0 0.1 1.0 10.0 100.0 1000.0
Vramp current ( A )
Input/Output Circuits
Figure 10. Input Circuit PA_IN/V1_PA
V1_PA
PA_IN
GND
Figure 11. Input Circuit RAMP/V1_PA
V1_PA
RAMP
7
4532A-BLURF-09/02
Figure 12. Input Circuit V2_PA
V2_PA
GND
Figure 13. Input/Output Circuit V3_PA_OUT
V3_PA_OUT
GND
8
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Figure 14. Application Board Schematic
PA OUT V3_PA
1 1n 10p
15nH
5p6 1p5
harm. termination
PA ramp
56p
8765 9 10 11 12 13 14 15 16
4 3 2 1 5p6 1p5
1 V2_PA
1n 15p
3p3
PAin V1_PA 1 1n 15p
blocking capacitor depending on application
9
4532A-BLURF-09/02
Figure 15. Application Board Layout
15pF
1nF 1F
0R 1.5pF 5.6pF
3.3pF hQ 15pF1nF1F 56pF 1.5pF hQ 15nH hQ 5.6pF hQ 10pF1nF 1F
Gerberfiles are available on request. The application board consists of 4 layers: 1. top layer: RF-signals, 35 m Cu 2. spacing: 490 m FR4 3. second layer: GND, 35 m Cu 4. spacing: 550 m FR4 5. third layer: GND (optional), 35 m Cu 6. spacing: 490 m FR4 7. bottom layer: DC connection, 35 m Cu
10
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Ordering Information
Extended Type Number T7023-PES T7023-PEQ Package HP-VFQFP-N16 HP-VFQFP-N16 Remarks Tube Taped and reeled
Package Information
11
4532A-BLURF-09/02
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4532A-BLURF-09/02 xM

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