LDMOS 3-stage integrated Doherty MMIC

The BLM9D3842-16AM is a 3-stage 16 W fully integrated Doherty MMIC solution using Ampleon's state of the art GEN9 LDMOS technology. The carrier and peaking device, input splitter and output combiner are integrated in a single package. This multiband device is perfectly suited as a device in the frequency range from 3800 MHz to 4200 MHz. Available in LGA outline.

Features and benefits

  • Integrated input splitter
  • Integrated output combiner
  • Very high efficiency
  • Designed for broadband operation (frequency 3800 MHz to 4200 MHz)
  • Independent control of carrier and peaking bias
  • Integrated ESD protection
  • Excellent thermal stability
  • High power gain, input and output matched to impedance 50 Ω
  • For RoHS compliance see the product details on the Ampleon website


  • RF power MMIC for multi-carrier and multi-standard GSM, W-CDMA, LTE and NR small cell base stations in the 3800 MHz to 4200 MHz frequency range


Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 3800 4200 MHz
PL(3dB) nominal output power at 3 dB gain compression 16 W
Test signal: CW pulsed
VDS drain-source voltage [0] 28 V
Gp power gain [0] 24 28 dB
ηD drain efficiency [0] 18 23 %
RLin input return loss [0] -12 -8 dB
PL(3dB) output power at 3 dB gain compression [0] 39 40.5 dBm

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLM9D3842-16AM LGA-7x7-20-2
lga-7x7-20-2_po TR13; 3000-fold; 16 mm; dry pack Active Standard Marking BLM9D3842-16AMX
(9349 605 36525)
TR13; 1000-fold; 16 mm; dry pack Active Standard Marking BLM9D3842-16AMZ
(9349 605 36515)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 VGS_P gate-source voltage of peaking
2 GND ground
3 GND ground
4 RFin RF input
5 GND ground
6 GND ground
7 VDS1_P drain-source voltage of peaking driver
8 GND ground
9 VDS2 drain-source voltage of final stages
10 GND ground
11 GND ground
12 RFout RF output
13 GND ground
14 GND ground
15 GND ground
16 GND ground
17 GND ground
18 GND ground
19 VDS1_C drain-source voltage of carrier driver
20 VGS_C gate-source voltage of carrier driver
21 GND RF ground


Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLM9D3842-16AM BLM9D3842-16AMX BLM9D3842-16AM Always Pb-free 3 3
BLM9D3842-16AM BLM9D3842-16AMZ BLM9D3842-16AM Always Pb-free 3 3
Quality and reliability disclaimer

Design support

Title Type Date
Printed-Circuit Board (PCB) BLM9D3842-16AM (Data sheet) Design support 2022-09-09