CGY31 is a monolithic microwave integrated circuit (MMIC amplifier) produced by Rohm & Haas of Germany. Its features include all-gold metallization, fully passivated chip, operating voltage range of 3 to 6V, 50 ohms input/output, input return loss greater than 10dB, gain of 18dB, low noise figure of 4dB, 3dB bandwidth of 2GHz, and hermetically sealed package.
The CGY 31 is a GaAs monolithic microwave IC (MMIC) amplifier with all‑gold metallization and a hermetically sealed TO‑12 package. It operates from 3 V to 6 V and provides 18 dB gain at 1.6 GHz with a low noise figure of 4 dB.
The document lists maximum ratings, electrical characteristics, an example application circuit, and S‑parameter data. It also includes handling precautions for this electrostatic‑sensitive device and notes on thermal resistance and biasing requirements.
| Operating voltage range | 3 to 6 V |
|---|---|
| Gain at 1.6 GHz | 18 dB |
| Noise figure at 1.6 GHz | 4 dB |
| 3 dB bandwidth | 2 GHz |
| Maximum supply voltage | 6 V (Tc < 80 °C) |
| Maximum total power dissipation | 2 W (Tc < 50 °C) |
| Typical power gain | 15‑18 dB |
| Input return loss | 13‑9.5 dB |
| Output return loss | 12‑9.5 dB |
| Third‑order intercept point (IP3) | 31‑32.5 dBm |
The CGY 31 operates from 3 V to 6 V.
It provides 18 dB gain at 1.6 GHz.
The maximum supply voltage is 6 V (Tc < 80 °C).