UZI-TDD-N48-3550-3700M-5W-30070QT 2T2R-48V-FB Power Amplifier

1. Broadband MIMO Performance: Operates at 3550-3700MHz (N48) with 20-100MHz carrier bandwidth, supports MIMO 2T2R mode and dual uplink/downlink testing for flexible broadband application.
2. High Gain & Precise Power Control: Delivers 18±2dB uplink gain and 45±2dB downlink gain; downlink ALC controls 42.5dBm output with ≥25dB gain adjustment range and high adjustment accuracy for stable power output.
3. Superior RF Performance: Boasts NF ≤5dB (uplink), in-band ripple ≤1.8/2.0dB (UL/DL), Tx-Rx isolation ≥55dBc and EVM ≤3.5%; excellent ACPR performance for both 20M/100M bandwidth with/without DPD, meeting strict signal quality requirements.
4. Comprehensive Protection & Monitoring: Equipped with 85℃ overtemperature shutdown/65℃ recovery, over-power/VSWR alarm; RS485 monitoring interface supports real-time detection of power, temperature, voltage, current and VSWR with high measurement accuracy.
5. Stable Power Supply & Compact Design: Adopts 48V±5% (45.6-50.4V) power supply with ≤0.75A operating current; compact size 300*70*40mm, SMA (ANT) & IPEX connectors, and wide temperature adaptability (-40～+55℃) for easy deployment.

Model:
UZI-TDD-N48-3550-3700M-5W-30070QT-2T2R-48V-FB
Brand:
Uziwave

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TDD Power Amplifier 2T2R Power Amplifier Power Amplifier

Product Description

Features:

Broadband MIMO Performance: Operates at 3550-3700MHz (N48) with 20-100MHz carrier bandwidth, supports MIMO 2T2R mode and dual uplink/downlink testing for flexible broadband application.
High Gain & Precise Power Control: Delivers 20±2dB uplink gain and 45±2dB downlink gain; downlink ALC controls 42.5dBm output with ≥25dB gain adjustment range and high adjustment accuracy for stable power output.
Superior RF Performance: Boasts NF ≤5dB (uplink), in-band ripple ≤1.8/2.0dB (UL/DL), Tx-Rx isolation ≥55dBc and EVM ≤3.5%; excellent ACPR performance for both 20M/100M bandwidth with/without DPD, meeting strict signal quality requirements.
Comprehensive Protection & Monitoring: Equipped with 85℃ overtemperature shutdown/65℃ recovery, over-power/VSWR alarm; RS485 monitoring interface supports real-time detection of power, temperature, voltage, current and VSWR with high measurement accuracy.
Stable Power Supply & Compact Design: Adopts 48V±5% (45.6-50.4V) power supply with ≤0.75A operating current; compact size 300*70*40mm, SMA (ANT) & IPEX connectors, and wide temperature adaptability (-40～+55℃) for easy deployment.

Technical Specification:

Product Name:

UZI-TDD-N48-3550-3700M-5W-30070QT-2T2R-48V-FB

Items:	Uplink (UL) & Downlink (UL) Specifications:
Frequency Range:	UL:3550MHz - 3700MHz DL:3550MHz - 3700MHz
Carrier Bandwidth:	UL:20-100MHz DL:20-100MHz
Max Gain:	UL:20±2dB DL:45±2dB
Maximum Output Power:	UL:Non-controlled (P1dB=+10dBm) DL:42.5dBm controlled by ALC (with cavity filter)Test at 37.5dBm
Maximum Input Level:	UL:+10dBm DL:+10dBm
Gain Adjustment Range:	UL:NONE DL:≥25dB
ALC Range:	UL:NONE DL:≥10dB
Gain Flatness:	UL:NONE DL ATT10dB： ≤±1dB ATT20dB： ≤±1dB ATT25dB： ≤±1.5dB
In-Band Ripple:	UL:≤2dB DL:≤2dB
Noise Figure:	UL:≤5dB DL:NONE
Transmit-Receive Leakage Power:	≤-18dBm (Pout= 37.5dBm)
Tx-Rx Isolation:	≥55dBc
Dual-channel Isolation:	CH1out-CH2out: ≥45dB (CH1out= 37.5dBm, CH2out≤-7.5dBm) CH2out-CH1out: ≥45dB (CH2out= 37.5dBm, CH1out≤-7.5dBm) RX1-RX2: ≥35dB (RX mode, Pin1=-30dBm, RX2≤-65dBm) RX2-RX1: ≥35dB (RX mode, Pin2=-30dBm, RX1≤-65dBm)
TDD Switch Switching Time:	≤2.5μs (PA to LNA), ≤2.5μs (LNA to PA)
ACPR(Test required for 20M/100M source bandwidth, all results must be qualified)	20M bandwidth: ≤-36dBc (without DPD), ≤-50dBc (with DPD) 100M bandwidth: ≤-33dBc (without DPD), ≤-50dBc (with DPD)
EVM:	≤3.5% (Peak-to-Average Power Ratio 10.0dB)
VSWR:	≤2.0 (Uplink), ≤1.5 (Downlink)(Test with power on after turning off the downlink PA. Check the downlink PA is off before testing to avoid instrument damage.)
Feedback (FB) Port Index:	Forward FB output power: 7±2dBm (Pout= 37.5dBm, load/ open circuit) Reverse FB output power: 5±2dBm (Pout= 37.5dBm, open circuit) Forward-reverse FB power difference: ≥20dB (Ant Pout with load), ≤2.5dB (Ant open circuit) Reverse FB power control: Adjustable range ±6dBFB coupling port VSWR: ≤1.5
Thermistor Resistance:	NTC 100kΩ
Out-of-band Spurious (Downlink):	9kHz～150kHz@≤-36dBm/1kHz 150kHz～30MHz@≤-36dBm/10kHz 30MHz～1GHz@≤-36dBm/100kHz 1GHz～3.26GHz@≤-43dBm/1MHz 3.84GHz～12.75GHz@≤-43dBm/1MHz
Out-of-band Spurious (ANT Port):	30MHz～1GHz@≤-57dBm/100kHz 1GHz～12.75GHz@≤-47dBm/1MHz 12.75～24.5GHz@≤-47dBm/1MHz
Out-of-band Spurious (LNA_OUT Port):	30MHz～1GHz@≤-80dBm/100kHz 1GHz～6GHz@≤-70dBm/1MHz 6GHz～12.75GHz@≤-60dBm/1MHz 12.75GHz～24.5GHz@≤-60dBm/1MHz 3.3GHz～3.8GHz@≤-91dBm/100kHz
Out-of-band Rejection:	1～1000MHz@≥65dB 1000～2800MHz@≥65dB 2800～3400MHz@≥55dB 3400～3500MHz@≥50dB 3500～3530MHz@≥50dB 3530～3540MHz@≥22dB(-40℃~65℃) 3710～3720MHz@≥22dB(-40℃~65℃) 3720～3750MHz@≥50dB 3750～3850MHz@≥50dB 3850～4400MHz@≥55dB 4400～6000MHz@≥74dB 6000～7200MHz@≥74dB 7.2～10GHz@≥64dB 10～15GHz@≥44dB
Operating Voltage:	48V±5% (45.6-50.4V)
Operating Current:	≤0.75A (Strictly no exceeding)
Baud Rate:	19200
Working Temperature:	-40～+55℃
Over-Temperature Protection:	Alarm and shutdown at +85℃, resume operation at 65℃
Transmit-Receive Wire Control Interface：	CMOS3.3V
Connectors：	SMA for ANT port, IPEX for the rest
Monitoring Functions:	RS485 interface communication: 1) Setting: Switch, gain 2) Query: Module status (including PA status, over-power alarm, overtemperature alarm), PA temperature, VSWR value, PA ATT value, detected forward power 3) Over-power alarm: Alarm when power exceeds max output power by +2dB 4) Overtemperature alarm: Recommended threshold +85℃; alarm and PA shutdown when detected temperature exceeds +85℃, resume at +65℃ 5) PA temperature detection: Range includes -25℃～+85℃ (not limited), accuracy ±3℃ 6) Forward power detection (45dBm-20dBm): Range ＞20dB, accuracy ＜±1dB 7) Reverse power detection (45dBm-20dBm): Range ＞25dB, accuracy ＜±1.5dB 8) Voltage detection accuracy: ≤±1V (measured at +48V power supply) 9) Current detection accuracy: ≤±200mA (transmit mode, no input); ≤±200mA (transmit mode, Pout= 37.5dBm) 10) Temperature detection: ±3℃ (Measure the resistance of this pin to ground with a multimeter, the value shall be 50K-150KΩ) 11) VSWR detection: Software can detect the actual VSWR value with normal cable connection when PA output power ≥20dBm 12) VSWR alarm: Detect VSWR ≥3.0 and trigger alarm when ANT port is open with PA output power ≥20dBm
Appearance Inspection:	Cover silk screen consistent with indicators Labels neat and correct PA cover and shell neat without scratches