5M-4GHZ VCA Voltage Controlled Amplifier Low Noise Amplifier 0-30DB USB Control Receiver Preamplifier

Application Scenarios:
1. For Beidou/GPS receiver;
2. Receiver system (FM radio receiving, radar receiving, etc.);
3. Electromagnetic compatibility receiving system;
4. Software radio receiver;
5. Adjustable gain.

Index Parameters:
- Power supply: TYPE-C cable
- Module frequency range: 5M-4GHz
- Noise figure: NF<2dB (refer to the measured curve for different frequencies);
- Gain: 0-30DB adjustable (refer to the measured curve for different frequencies);
- Gain adjustable step: 0.5DB; gain control method: USB
- Volume: 4.5*3*1.4cm (excluding sizes of SMA); Product weight: 66g (including host + TYPE-C cable)
- Current: <20mA
- P1DB=6dBm at 1.575GHz
- Output interface: SMA female, input and output impedance: 50 ohms
- Host computer software adopts CH340E serial port to USB communication, baud rate 9600BPS
- Communication protocol:
  (1) Send attenuation coefficient command: change attenuation coefficient. The format is: ATT-xx.xx
  (2) Response value signal. The format is: ATT OK

Package Included:
- 1 x Amplifier With Aluminum Alloy Shell
- 1 x Type-C Cable

Measured Gain Curves:
30DB (1.5G) measured S21 S11


25DB (1.5G) measured S21 S11


20DB (1.5G) measured S21 S11


10DB (1.5G) measured S21 S11


5DB (1.5G) measured S21 S11


0DB (1.5G) measured S21 S11


Gain Set By Host Computer: