參數(shù)資料
型號(hào): TQ9203
廠商: TRIQUINT SEMICONDUCTOR INC
元件分類: 衰減器
英文描述: Low-Current Cellular Band Downconverter IC
中文描述: RF/MICROWAVE DOWN CONVERTER
封裝: PLASTIC, SO-14
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 263K
代理商: TQ9203
WIRELESS COMMUNICATIONS DIVISION
For additional information and latest specifications, see our website:
www.triquint.com
1
Electrical Characteristics
TQ9203
DATA SHEET
Low-Current Cellular
Band Downconverter IC
Features
§
+5-V single supply
§
Internal buffer amplifier on mxer
LO port
§
On-chip matching to 50
W
§
Two selectable RF inputs
§
Low-cost SO-14 plastic package
§
21dB systemgain
§
-10dBmtypical input intercept point
§
2.5dB typ. systemnoise figure
§
10.5mA typ. operating current
Applications
§
Cellular Communications
§
Spread-SpectrumReceivers
§
Cordless Phones
Product Description
The TQ9203 RFIC Downconverter is a multifunction RF front end designed for the
high dynamc range cellular communications standards. The design of the TQ9203
provides a 2.5dB systemnoise figure for excellent sensitivity, and a good signal
range with –10dBminput IP3. Its low current consumption, single +5V operation and
small, plastic surface-mount package are ideally suited for cost-competitive, space-
limted and portable applications. In addition, two selectable RF inputs simplify
implementation of “antenna diversity” in applications such as CDPD. The TQ9203 is
specified over a RF frequency range of 800 to 1000MHz, and therefore may be used
for any of the cellular and cordless telephony standards.
Electrical Specifications
1
Parameter
Mn
Typ
Max
Units
Frequency
800
1000
MHz
Gain
21.0
dB
Noise Figure
2.5
dB
Input 3
rd
Order Intercept
-10.0
dBm
DC supply Current
10.5
mA
Note
1. Test Conditions: Vdd=5V, Ta=25C, filter IL=3.0dB, RF=881MHz, LO=966MHz, IF=85MHz,
LO input=-6dBm
2. Specified with external noise-matching circuit elements, with image-stripping BPF IL=3dB
3. Frequency separation of the two signals is 500KHz; BPF IL=3dB
Mixer
LO In
LNA
IN0
Select
Mixer
IF out
Mixer
RF In
LNA
out
VDD
GND
LO Tune
LNA
IN1
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