1
Features
Single 3-V Supply Voltage
High Power-added Efficient Power Amplifier (P
out
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.
Description
The T7023 is a monolithic SiGe power amplifier. It is especially designed for operation
in TDMA systems like Bluetooth and WDCT.
Due to the ramp-control feature and a very low quiescent current, an external switch
transistor for V
S
is not required.
Figure 1. Block Diagram
SiGe PA
T7023
G
N
D
V
3
_
P
A
_
O
U
T
V
3
_
P
A
_
O
U
T
V
3
_
P
A
_
O
U
T
V
1
_
P
A
V
2
_
P
A
G
N
D
V
2
_
P
A
Ramp
GND
GND
PA_IN
GND
GND
GND
GND
Bluetooth
TM
2.4-GHz Power
Amplifier
T7023
Rev. 4532BBLURF01/03
2
T7023
4532BBLURF01/03
Pin Configuration
Figure 2. Pinning HP-VFQFP-N16
GND
GND
Ramp
GND
GND
GND
PA_IN
GND
V
3
_
P
A
_
O
U
T
V
3
_
P
A
_
O
U
T
V
3
_
P
A
_
O
U
T
G
N
D
V
2
_
P
A
V
2
_
P
A
G
N
D
V
1
_
P
A
8 7 6 5
13 14 15 16
9
10
11
12
4
3
2
1
Pin Description
Pin
Symbol
Function
1
GND
Ground
2
PA_IN
Power amplifier input
3
GND
Ground
4
GND
Ground
5
GND
Ground
6
V3_PA_OUT
Inductor to power supply and matching network for power amplifier output
7
V3_PA_OUT
Inductor to power supply and matching network for power amplifier output
8
V3_PA_OUT
Inductor to power supply and matching network for power amplifier output
9
GND
Ground
10
GND
Ground
11
RAMP
Power ramping control input
12
GND
Ground
13
V2_PA
Inductor to power supply for power amplifier
14
V2_PA
Inductor to power supply for power amplifier
15
GND
Ground
16
V1_PA
Supply voltage for power amplifier
Slug
GND
Ground
3
T7023
4532BBLURF01/03
Absolute Maximum Ratings
All voltages are referred to ground (Pins GND and slug), no RF
Parameters
Symbol
Value
Unit
Supply voltage
Pins V1_PA, V2_PA and V3_PA_OUT
V
S
6
V
Junction temperature
T
j
150
C
Storage temperature
T
stg
-40 to +125
C
RF input power PA
P
inPA
10 dBm
dBm
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient HP-VFQFP-N16, Slug
soldered on pcb
R
thJA
40
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
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
Pins V1_PA, V2_PA and
V3_PA_OUT
V
S
2.7
3.0
4.6
V
Supply current
I
S
165
mA
Standby current
I
S_standby
10
A
Ambient temperature
T
amb
-25
+25
+70
C
4
T7023
4532BBLURF01/03
Electrical Characteristics
Test conditions (unless otherwise specified): V
S
= 3.0 V, T
amb
= 25C
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Power Amplifier
(1)
Supply voltage
Pins V1_PA, V2_PA and
V3_PA_OUT
V
S
2.7
3.0
4.6
V
Supply current
TX
I
S_TX
165
mA
Standby
I
S_standby
10
A
Frequency range
TX
f
2.4
2.5
GHz
Gain-control range
TX
D
Gp
60
42
dB
Power gain maximum
TX
Pin PA_IN to V3_PA_OUT
Gp
28
30
33
dB
Power gain minimum
TX
Pin PA_IN to V3_PA_OUT
Gp
-40
-17
dB
Ramping voltage maximum
TX, power gain (maximum)
Pin RAMP
V
RAMP max
1.7
1.75
1.83
V
Ramping voltage minimum
TX, power gain (minimum)
Pin RAMP
V
RAMP min
0.1
V
Ramping current maximum
V = 1.75 V
0.5
mA
Power-added efficiency
TX
PAE
35
42
%
Saturated output power
TX, input power = 0 dBm
referred to Pins V3_PA_OUT
P
sat
22
23
24
dBm
Input matching
(2)
TX, Pin PA_IN
Load VSWR
<1.5:1
Output matching
(2)
TX, Pin V3_PA_OUT
Load VSWR
<1.5:1
Harmonics
at P
sat
= 23 dBm
TX, Pin V3_PA_OUT
2 f
o
-30
dBc
Harmonics
at P
sat
= 23 dBm
TX, Pin V3_PA_OUT
3 f
o
-30
dBc
Notes: 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, Z
G
= 50
W
.
2. With external matching network, load impedance 50
W
5
T7023
4532BBLURF01/03
Typical Operating Characteristics
Figure 3. Output Power and PAE versus Supply Voltage
Figure 4. Output Power and PAE versus Frequency
Figure 5. Output Power and PAE versus Ramp Voltage
0
10
20
30
40
50
2.7
3.1
3.5
3.9
4.3
4.7
Supply Voltage (V)
P
o
u
t
(d
Bm
),
P
A
E
(%
)
100
130
160
190
220
250
I
S_
T
X
(m
A)
PAE
Pout
I_S_TX
f = 2.4 GHz
V
ramp
= 1.8 V
P
inPA
= 0 dBm
0
10
20
30
40
50
2400
2420
2440
2460
2480
2500
Frequency (MHz)
Pout
(
d
B
m
)
,
PA
E (
%
)
0
50
100
150
200
250
I
S_
T
X
(m
A)
PAE
Pout
I_S_TX
V
S
= 3 V
V
ramp
= 1.8 V
P
inPA
= 0 dBm
-50
-30
-10
10
30
50
1.2
1.4
1.6
1.8
2.0
V
ramp
(V)
Pout (dB
m
)
,
PA
E (%
)
0
50
100
150
200
250
I
S_
T
X
(m
A
)
PAE
Pout
I_S_TX
f = 2.4 GHz
V
S
= 3 V
P
inPA
= 0 dBm
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