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CXG1047FN Datasheet

  • CXG1047FN

  • Dual-Band 3V Power Amplifier for GSM900/DCS1800 Applications

  • 9頁

  • SONY   SONY

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CXG1047FN
Dual-Band 3V Power Amplifier for GSM900/DCS1800 Applications
Description
The CXG1047FN dual band GaAs PA is a 3-stage
power amplifier that may be used for both GSM900
and DCS1800 applications. To achieve minimum
die-size and package dimensions, it contains one
amplifier chain with a single input and output.
The PA has a single RF input for both the GSM900
and DCS1800 transmit signals. The amplifier can be
configured for 2 separate inputs. Power control is
best achieved by variation of V
DD
1/V
DD
2 and V
DD
3
drain voltages with an external transistor. A proposed
power control circuit configuration is described.
External PMOS drain switch should be used to
achieve low leakage.
16 pin HSOF (Plastic)
Features
鈥?/div>
Single positive rail only
鈥?/div>
Typical output power of 35.5dBm at 900MHz and 33dBm at 1800MHz
鈥?/div>
Typical efficiency of 37% at 900MHz and 37% at 1800MHz
鈥?/div>
Small package size with integral heat-sink: 16-pin HSOF (5.6
脳
4.4
脳
0.9mm)
鈥?/div>
3-stage amplifier chain
鈥imple
pin diode circuitry is used to switch between 1800 and 900MHz matching circuits
鈥?/div>
Off mode insertion loss typically 27dB at 900MHz (Pin = +6dBm at V
DD
= 0V)
鈥?/div>
Typical transmit noise @20MHz offset 鈥?9dBm/100kHz
Applications
Dual-band handsets transmitting on the GSM900 or DCS1800 frequencies
Structure
GaAs J-FET MMIC
Absolute Maximum Ratings
(Ta = 25擄C)
鈥?/div>
Drain voltage
V
DD
1, V
DD
2, V
DD
3
8
V
鈥?/div>
Gate voltage
V
GG
1, V
GG
2, V
GG
3
鈥? to +1
V
鈥?/div>
Input power
Pin, max.
12
dBm
鈥?/div>
Channel temperature
Tch, max.
150
擄C
鈥?/div>
Operating temperature
Ta
鈥?0 to +90
擄C
鈥?/div>
Storage temperature
Tstg
鈥?0 to +150
擄C
Note on Handling
GaAs MMICs are ESD sensitive devices. Special handling precautions are required. The IC will be damaged
in the range from 60 to 100V@200pF, 0鈩? The actual ESD test data will be submitted later.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
鈥?鈥?/div>
E00223-PS

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