18 - 20 GHz Block Downconverter
TGC4408-SM
18 - 20 GHz Block Downconverter Applications
VSAT Ground Terminal Millimeter wave Communications
4408
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Description
TGC4408-SM
18 - 20 GHz Block Downconverter Applications
VSAT Ground Terminal Millimeter wave Communications
4408
1217 1087
32-pin 5x6mm QFN package
Product Features
Functional Block Diagram
32 31 30 29 28 27 26 GND RF IN GND 1 2 3 4 Lo Buffer Vd_down_converter 5 6 7 8 9 Low Band VCO High Band VCO Prescalar ÷4 LNA Subharmonic Mixer 25 24 23 22 21 20 19 18 17 Divider_output+ Divider_outputGND IF OUT GND
Vcc_prescalar
Vswitch_high
Vswitch_low
Vcc_VCO
RF Frequency: 18.3 to 20.2 GHz Internal dual band LO Sources 7.9 to 9.1 GHz and 9.9 to 11.1 GHz IF Frequency: 950 to 1950 MHz Conversion Gain: 8.5 dB Single Side Band Noise Figure: 6.5 dB Input IP3: -8 dBm Differential ÷4 VCO output for use by external PLL Single +5V supply operation Bias 5.0 V, 305 mA Package Dimensions: 5.0 x 6.0 x 0.85mm
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General Description
The TriQuint TGC4408-SM is a low cost Ku band downconverter. It provides in a single package a dual band VCO, a subharmonic mixer, and all the associated gain stages required to integrate the VCO and the mixer. The TGC4408-SM provides a differential signal at 1/4th the VCO frequency for use in a phase-locked loop. The subharmonic mixer is manufactured using TriQuint’s pHEMT process; the VCO and the prescaler are manufactured using TriQuint’s HBT process. The TGC4408-SM is available as a single surface mount 32 lead 5x6 QFN package and is ideally suited for VSAT ground terminals and millimeter wa...
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