丨
Features:
Dual-Band 20W TDD Amplifier Platform – Single hardware design supporting both B38 (2570–2620MHz) and B40 (2300–2400MHz) 4G bands, delivering 43±1dBm output with 4G TDD standard software compliance.
Industry-Leading Linearity with Pre-Distortion – Built-in DPD (suffix -2) achieves ≤3% EVM and ≤-45dBc ACPR at 10.0dB PAPR, enabling clean amplification of 64QAM and carrier-aggregated LTE signals without spectral regrowth.
High Gain with Low Noise Figure – Provides 53±2dB downlink gain and 25±2dB uplink gain with ≤3dB uplink noise figure, balancing strong forward transmission with sensitive receiver performance in marginal coverage areas.
Energy-Efficient 20W Operation – Consumes just ≤2.5A at 28V with pre-distortion enabled, making it ideal for power-constrained indoor repeater and small-cell deployments.
RS485 Full-Duplex Remote Management – 19200 baud interface enables remote gain/ATT adjustment, module on/off control, and real-time queries of forward power (accuracy ±1dB over >20dB dynamic range) and internal temperature (accuracy ±3℃).
Active Fault Protection Suite – Over-power alarm triggers at +2dB above rated maximum; hardware-based over-temperature shutdown at 85°C with auto-recovery at 65°C ensures failsafe operation without host intervention.
Precision Downlink Conditioning – Integrated ATT provides ≥25dB gain adjustment range with ≤±1.5dB flatness across all attenuation steps; ALC extends ≥10dB dynamic range to stabilize output against input variations.
CMOS 3.3V TDD Frame Synchronization – Independent logic inputs for TX/PA and RX/LNA switching (high=enable, low=disable) provide precise alignment with TDD slot timing, eliminating external RF switching components.
Ultra-Compact Triple-Connector Chassis – Space-saving 130×90×23mm enclosure with SMA (ANT) and MCX (PA IN/LNA OUT) connectors, enabling seamless integration into pole-mounted or indoor repeater housings.
Complete Turnkey Software Suite – Bundled with PC-based testing software for rapid factory acceptance and field commissioning, allowing quick validation of gain settings, alarm thresholds, and forward power detection accuracy.
Technical Specification:
Product Name:
1. UZI-TDD-B38-2.6G-100W-2PA-32V-2
2. UZI-TDD-B38-2.6G-100W-2PA-32V-2
Items: | Uplink (UL) & Downlink (UL) Specifications: |
Frequency Range: | 1. B38: a. UL:2570MHz -2620MHz b. DL:2570MHz -2620MHz 2. B40 a. UL:2300MHz -2400MHz b. DL:2300MHz -2400MHz |
Max Gain: | 1. UL:25±2dB 2. DL:53±2dB |
Maximum Output Power: | 1. UL:Uncontrolled 2. DL:43±1dBm |
Maximum Input Level: | 1. UL:NONE 2. DL:+10dBm |
Gain Adjustment Range: | 1. UL:NONE 2. DL:≥25dB |
ALC Range: | 1. UL:NONE 2. DL:≥10dB |
Gain Flatness: | 1. UL:NONE 2. DL a. ATT10dB： ≤±1dB b. ATT20dB： ≤±1dB c. ATT25dB： ≤±1.5dB |
In-Band Ripple: | ≤2.5dB |
Noise Figure: | 1. UL:≤3dB 2. DL:NONE |
Tx-Rx Isolation: | ≥55dBc |
ACPR: | ≤-45dBc |
EVM: | ≤3% (Peak-to-Average Power Ratio 10.0dB) |
VSWR: | ≤1.4 (Test condition: power on for testing after turning off the downlink power amplifier.) |
Operating Voltage: | 28V |
Operating Current: | With pre-distortion: ≤2.5A |
Baud Rate: | 19200 |
Working Temperature: | -40~+55℃ |
Over-Temperature Protection: | Alarm and shutdown at +85℃, resume operation at 65℃ |
Monitoring Functions: | 1. For the wiring diagram of the monitoring port, refer to the outline dimension drawing; RS485 interface communication a. Settings: switch, gain; b. Query: module status (including power amplifier status, over-power alarm, over-temperature alarm), power amplifier temperature, power amplifier ATT value, detected forward power; c. Over-power alarm: alarm when the power exceeds the maximum output power by +2dB; d. Over-temperature alarm: recommended threshold is +85℃; alarm is triggered when the detected temperature exceeds +85℃, and the power amplifier is turned off simultaneously, then turned on at +65℃; e. Power amplifier temperature detection: the detection range shall include but not be limited to -25℃~+85℃, with a detection accuracy of ±3℃; f. Forward power detection: the detection range shall be greater than 20dB, with a detection accuracy of less than ±1dB; |
Transmit-receive Wire Control Interface: | CMOS 3.3V |
Connectors: | 3 connectors in total: ANT: SMA Connector; PA IN/LNA OUT: MCX Connector |
Mechanical Dimensions: | 130*90*23 mm |
Dimensional Drawing:
1.RX:LNA (uplink) switch, CMOS 3.3V high level turns it on, low level turns it off.
2.TX:PA (downlink) switch, CMOS 3.3V high level turns it on, low level turns it off.
Sample:
