Reviews Amplifier Module Power Supplies

Mixer Module, Bandwidth Mixing 0.1‑500MHz High Frequency Transducer -10dBm for Quadrature Modulation for Base Station for HF VHF Receiver

Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
-10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler shift detection in imaging.

Small digital power amplifier with high-definition sound quality and high efficiency for low power consumption.
Provides 3W (left channel) + 3W (right channel) output power into 4 Ohm speakers and 5V power supply, >1.5W into 8 Ohm loads.
CMOS class D amplifier design for high efficiency and low cost, has short-circuit current protection, under-voltage lockout and over-temperature....
Flexible power supply: the module can easily run off three AA batteries, a USB cell phone charger, a rechargeable cell phone charge pack or a computer....
Integrated power switch and volume control (turn knob fully counter-clockwise to turn off).

AD8309 AMPLIFIER MODULE - AD8309 amplifier module, with limiting output, can be used as FSK PSK demodulation..
APPLICATION - Used for received signal strength indicator (RSSI) and phase detection in cellular base stations, radar and other radio transceiver applications..
16mA current, 20 mV/dB slope, ‑95 dBm intercede, SMA female, 5MHZ‑500MHZ frequency range, 100 dB gain..
±0.4 DB RSSI LINEARITY - ±0.4 dB RSSI linearity, RSSI scale does not change with temperature and feed voltage..
Logarithmic output of the logarithmic amplifier module is proportional to the logarithm of the input signal..

[Blue tooth amplifier] High quality mini amplifier board. Bluetooth 5.0 version, the transmission efficiency is higher, the transmission distance is farther.
[High Performance] Audio power amplifier module dual channel, max output power 2X50W. The capacitor 470uf35V guarantees the power storage and heat dissipation capacity, makes the power supply stable, and is equipped with a heatsink.
[Protection Mechanism] With short-circuit protection and overheating protection to prevent total failure. In the event of an overload, the device reports the fault condition to the processor to protect itself from damage.
[High Quality] It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired.
[Application] The potentiometer adjusts the volume with a switch for easy control of the volume, making it ideal for DIY speakers. Widely used in car, home theater etc.

16mA current, 20 mV/dB slope, ‑95 dBm intercede, SMA female, 5MHZ‑500MHZ frequency range, 100 dB gain..
APPLICATION - Used for received signal strength indicator (RSSI) and phase detection in cellular base stations, radar and other radio transceiver applications..
Logarithmic output of the logarithmic amplifier module is proportional to the logarithm of the input signal..
±0.4 DB RSSI LINEARITY - ±0.4 dB RSSI linearity, RSSI scale does not change with temperature and feed voltage..
AD8309 AMPLIFIER MODULE - AD8309 amplifier module, with limiting output, can be used as FSK PSK demodulation..

All module pins broken out - On-board FTDI USB-to-Serial.
802.11 b/g/n - Wi-Fi Direct (P2P), soft-AP.
Integrated TR switch, balun, LNA, power amplifier and matching network - Integrated PLLs, regulators, DCXO and power management units.
Integrated low power 32-bit CPU could be used as application processor.

The sound sensor is suitable for assembly, and installed on various small equipment like microphone and robot.
Microphone sound sensor module possess small size, more stable performance and simpler installation.
Sound sensor module have small volume and low output noise, the fixed gain is 20dB, support 3.3v and 5v.
Low power consumption of sensor is easy to control, more stable and more efficient.
This module uses professional microphone amplifier IC, which possess high sensitivity.

INA114 is a low-cost, high-precision instrumentation amplifier that only requires an external resistor to set the gain, and the gain range is 1 to 10000..
the weak signal detection effect is excellent, and can input single-ended signals or differential signals..
Chip features: Offset voltage 50uV, drift 0.25μV/℃, and high common mode suppression, 115dB when G=1000.
Module application: bridge amplifier, thermocouple amplifier, RTD sensor amplifier, medical equipment, data acquisition front end.

Features: All module pins broken out - Onboard FTDI USB-to-Serial - 802.11 b/g/n.
WiFi Direct (P2P), soft-AP - Integrated TCP/IP protocol stack - Integrated TR switch, balun, LNA, power amplifier and matching network.
Integrated PLLs, regulators, DCXO and power management units - Integrated low-power 32-bit CPU could be used as application processor.
+19.5dBm output power in 802.11b mode - Pre-Soldered Headers.