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TRF1222

Features: · Performs Up-Conversion in 3.5-GHz Radios (3300-3800 MHz)· Integrated IF amplifier, Mixer and LO Buffer Amplifier· Provision for external Image Reject / Band-Pass Filter· TTL Switched Attenuator For Gain Control· TTL Controlled Amplifier Power DownPinoutSpecifications VALUE ...

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SeekIC No. : 004528073 Detail

TRF1222: Features: · Performs Up-Conversion in 3.5-GHz Radios (3300-3800 MHz)· Integrated IF amplifier, Mixer and LO Buffer Amplifier· Provision for external Image Reject / Band-Pass Filter· TTL Switched Att...

TRF1222 Data Sheet

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Part Number:
TRF1222
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Performs Up-Conversion in 3.5-GHz Radios (3300-3800 MHz)
· Integrated IF amplifier, Mixer and LO Buffer Amplifier
· Provision for external Image Reject / Band-Pass Filter
· TTL Switched Attenuator For Gain Control
· TTL Controlled Amplifier Power Down


Pinout

Connection Diagram


Specifications
VALUE
UNIT
VDD Positive dc supply voltage
0 to 5.5
V
-VDD Negative dc supply voltage
-5.5 to 0
V
PIN RF input power
10
dBm
TJ Junction temperature
200
PD Power dissipation
1
W
Digital input pins
-0.3 to 5.5
V
jc Thermal resistance junction-to-case(1)
9.01
/W
Tstg Storage temperature
-40 to 105
Top Operating temperature
-40 to 85
Lead temperature (40 Sec Max)
260

(1) Thermal resistance is junction to ambient assuming thermal pad with 16 thermal vias under package metal base. See the recommended PCB layout.




Description

The TRF1222 up-converts a UHF IF signal to an RF signal in the 3300 to 3800 MHz range for 3.5-GHz radio applications. The TRF1222 has 18 dB of gain and an output P-1dB of 14 dBm, typical. A TTL compatible, 1-bit 16-dB digital attenuator is provided for gain control and the IF and RF amplifiers can be shut off via a TTL control signal for power critical or TDD applications. In order to provide system requirements for LO/spurious rejection, the TRF1222 offers a signal path to an off-chip band-pass filter. Specifications are provided assuming an in-band 2-dB insertion loss filter.

The TRF1222 is designed to complete the second up-conversion in Texas Instruments complete 3.5-GHz chip set. The linear nature of the up-converter makes it ideal for complex modulations schemes such as high order  QAM or OFDM.




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