UMS Analog VGA Amplifiers | Variable Gain RF Amplifiers 5.7–33.5GHz
Product Category：Amplifier - Analog VGA
Frequency Range：5.7 GHz to 33.5 GHz
Gain Range：22 dB to 26 dB
Gain Control Range：Up to 20 dB
Noise Figure：2.8 dB to 7.5 dB, depending on model
P-1dB Output Power：11 dBm to 24 dBm
Bias Voltage：4 V to 5.5 V
Bias Current：125 mA to 230 mA
Package Options：Die, QFN, Hermetic SMD
Typical Applications：Radar, Satcom, Telecom, Test & Measurement, Defense RF systems
UMS Analog VGA Product Models
| Model | Description | Bias | Gain | Gain Control Range | Noise Figure | P-1dB OUT | RF Bandwidth | Package |
| CHA2292-99F | 16–24 GHz Low Noise Variable Gain Amplifier | 160 mA / 5 V | 26 dB | 20 dB | 2.8 dB | 11 dBm | 16–24 GHz | Die |
| CHA2293-99F | 24–30 GHz Low Noise Variable Gain Amplifier | 160 mA / 5 V | 24 dB | 15 dB | 3 dB | 12 dBm | 24–30 GHz | Die |
| CHA3395-QDG | 21–30 GHz Medium Power Amplifier | 180 mA / 4 V | 24 dB | 15 dB | 4.5 dB | 20 dBm | 21–30 GHz | QFN |
| CHA3396-QDG | 27–33.5 GHz Medium Power Amplifier | 155 mA / 4 V | 22 dB | 15 dB | 4.5 dB | 19 dBm | 27–33.5 GHz | QFN |
| CHA4253-FAB | 17–21 GHz Medium Power Amplifier | 230 mA / 4 V | 26 dB | — | — | 23.5 dBm | 17–21 GHz | Hermetic SMD |
| CHA4253aQQG | 17–24 GHz Medium Power Amplifier | 230 mA / 4 V | 23 dB | 15 dB | 7.5 dB | 24 dBm | 17–24 GHz | QFN |
| CHA4350-QDG | 5.5–11.7 GHz Medium Power Amplifier | 125 mA / 5.5 V | 26 dB | 15 dB | 5.5 dB | 24 dBm | 5.7–11.7 GHz | QFN |
What is a UMS Analog VGA amplifier?
A UMS Analog VGA amplifier is a variable gain RF or microwave amplifier that allows analog control of gain level in high-frequency signal chains.
Which UMS Analog VGA models are available?
Available models include CHA2292-99F, CHA2293-99F, CHA3395-QDG, CHA3396-QDG, CHA4253-FAB, CHA4253aQQG and CHA4350-QDG.
What frequency range do UMS Analog VGA amplifiers cover?
The listed UMS Analog VGA products cover RF bandwidths from 5.7 GHz up to 33.5 GHz, depending on the selected model.
Where are UMS Analog VGA amplifiers used?
They are commonly used in radar, satcom, telecom, defense, aerospace, test equipment and high-frequency RF module designs.
