978-1090 MHz, 250 W Peak, 50 V Airfast® RF LDMOS Wideband Integrated Amplifiers

AFIC10275N
The avionics AFIC10275N and AFIC10275GN are a 2-stage RFIC designed for transponder applications operating from 978 to 1090 MHz. These devices are suitable for use in pulse applications, including Mode S transponders used for ADS-B.

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Product Details

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Features

  • Characterized from 978 to 1090 MHz
  • On-Chip Input (50 Ohm) and Interstage Matching
  • Single Ended
  • Integrated ESD Protection
  • Low Thermal Resistance
  • Integrated Quiescent Current Temperature Compensation with Enable/Disable Function
  • RoHS Compliant
  • Air Traffic Control Systems (ATC), Including Ground-based Secondary Radars
  • Mode S Transponders, Including:
    • Traffic Alert and Collision Avoidance Systems (TCAS)
    • Automatic Dependent Surveillance-Broadcast In and Out (ADS-B) Using,
      e.g., 1090 Extended Squitter or Universal Access Transponder (UAT)
    • Mode S ELM Interrogators

Key Parametrics

  • Frequency (Min) (MHz)
    978
  • Frequency (Max) (MHz)
    1090
  • Supply Voltage (Typ) (V)
    50
  • P1dB (Typ) (dBm)
    54
  • P1dB (Typ) (W)
    250
  • Die Technology
    LDMOS

RF Performance Tables

Narrowband Performance

(50 Vdc, TA = 25°C)
Frequency
(MHz)		 Signal Type Pout
(W)		 Gps
(dB)		 2nd Stage Eff.
(%)
1090(1)Pulse
(128 µsec, 10% Duty Cycle)		250 Peak32.161.4

Typical Wideband Performance

(50 Vdc, TA = 25°C)
Frequency
(MHz)(2)		 Signal Type Pout
(W)		 Gps
(dB)		 2nd Stage Eff.
(%)
978Pulse
(128 µsec, 10% Duty Cycle)		250 Peak32.661.0
103032.559.1
109030.160.6

Load Mismatch/Ruggedness

Frequency
(MHz)		 Signal Type VSWR Pin
(W)		 Test Voltage Result
1090(1)Pulse
(128 µsec, 10% Duty Cycle)		> 10:1 at all Phase Angles 0.345 W Peak
(3 dB
Overdrive)		50No
Device
Degradation
1. Measured in 1090 MHz narrowband test circuit.
2. Measured in 978-1090 MHz broadband reference circuit.

Documentation

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Design Resources

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Design Files

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