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The EMTS Telecom Services 617-821 MHz High-Efficiency Power Amplifier (MCPA) is a state-of-the-art, DPD-friendly amplifier designed for optimal performance in the 4G -3GPP Bands n71, n12, n14, n28 within wireless infrastructure. Leveraging GaN-on-SiC and advanced Doherty Architectures.it offers superior efficiency, robust linearity, and cost- effectiveness, making it ideal for high-power applications. With full input and output matching, this amplifier simplifies system integration while delivering high power with minimal signal distortion, ensuring reliable and efficient operation across the designated frequency range.
coverage solutions for the Wireless Networks, based on advanced technologies, EMTS’s proven indoor and outdoor solutions solve a wide range of network Regardless of the technology or frequency, EMTS can provide customized needs for the Wireless Networks.
Key Features
- High Efficiency & Linearity: The amplifier uses digital pre-distortion (DPD) to ensure high linearity, reducing out-of-band emissions and improving overall efficiency. This is critical for ensuring compliance with 4Gstandards and reducing power consumption
- GaAs Technology: The use of GaAs allows for a compact, high-performance design that maintains high gain and efficiency, even under heavy load conditions. This material is known for its superior performance in RF and microwave frequencies, making it ideal for 5G base stations
- Designed for 4G: Specifically tuned for the 617 to 821 MHz frequency range, this amplifier supports key 4G bands, delivering the high power and bandwidth necessary for modern wireless communications
- Compact and Integrated Design: The amplifier’s compact size allows easy integration into existing systems with minimal redesign, and its full input/output matching simplifies installation
Technical Specifications
| Technical Specification |
| Test items |
Specification |
| Frequency range (MHz) |
617-821 |
| Maximum input power(dBm) |
≤20dBm |
| Output power P1dB(dBm) |
53±2 dBm |
| Output power Pmax(dBm) |
50±1 dBm |
| Signal mode |
LTE |
| ACPR@PAR=9.5(dBc)/Po=44 dBm |
≤ -30dBc |
| EVM@ Po=44dBm of PAR=9.5 |
≤5% |
| Gain(dB) |
45±1 dB |
| Passband Ripple(dB) |
±2.0dB |
| ALC control range(dB) |
≥20dB |
| ATT range(dB) |
NC |
| Port VSWR |
≤1.5 |
| Power amplifier switch |
Have |
| Input power detection(dBm) |
NC |
| Output power detection(dBm) |
15dBm~50dBm |
| Reflected power detection(dBm) |
15dBm~50dBm |
| Temperature detection (℃) |
-40~100℃ |
| Working voltage (VDC) |
48VDC |
| Static working current (A) |
≤2.5A |
| Dynamic working current(A) |
≤4A@Po=44dBm |
| Operating temperature range(℃) |
-40~85℃ |
| Size (mm) |
165*135*26mm EMTS Telecom Services is a leading supplier of high-quality RF coverage solutions designed to |
| and standards of wireless Networks. |
| 9-way D-Sub Male Connector |
| Pin (Description) |
Specification Analog voltage (0V to 3V) proportional to PA temperature (-20 to +70 °C). Typical Gain: 10 mV / °C Typical Offset: 500 mV @ 0°C |
| 1 |
Temperature Monitor Vout =(10mV/°C x Temp °C)+500 mV Vout = +1.750V at +125°C Vout = +750 mV at +25°C Vout = +100mv at -40°C Analog voltage (0V to 3V) proportional to PA Forward Output |
| Forward Power |
Power (30dBm to 53dBm, CW) |
| 2 |
| Monitor |
Vout (max) ≤ 3V @ Pout 53dBm Typical Gain: 27mV/dB Analog voltage (0V to 3V) proportional to PA Reverse Output |
| Reverse Power |
Power (27dBm to 50dBm, CW) |
| 3 |
| Monitor |
Vout (max) ≤ 3V @ Pout 50dBm Typical Gain: 27mV/dB Connect fixed resistor from GND to pin 4. |
| 4 (PA id) |
*The Customer* will connect to 3.3V via a pull-up resistor for PA identification Resistor value: 3.32K, 1% Internal pull-up, resistor value chosen to comply with Tx Enable/Disable Rise & Fall Time. |
| 5 |
TX Enable (Active low) The customer will connect to open drain control, resistor value and pull-up voltage subject to approval. Pull-up voltage of 3.3V or 5V preferred. Connect fixed resistor from VCC to pin 6. The customer will connect to pull-down resistor to create potential divider for PA voltage monitoring. |
| 6 |
VCC monitor Typical resistor: 1M, 1% @ VCC 48V. Other resistor values and VCC supply voltages subject to approval. |
| 7 (Not connected) |
RS485A |
| 8 (Not connected) |
RS485B |
| 9 (GND) |
Ground |
| 2W2 D-Sub Male Connector |
| Pin (Description) |
Specification |
| A1 (VCC) |
+48V |
| A2 (GND) |
Ground coverage solutions for the Wireless Networks, based on advanced technologies, EMTS’s proven indoor and outdoor solutions solve a wide range of network Regardless of the technology or frequency, EMTS can provide customized needs for the Wireless Networks. |
| Outline |
| and standards of wireless Networks. |
