M1871
Ka-Band
NanoMPM
Features
 50 Watts Output Power, 29-31 GHz
 Frequency coverage up to 38 GHz at
reduced output power level
 27% Nominal Efficiency
 <28 Cubic Inches
Performance Characteristics
Frequency ........................................................ 29 to 38 GHz
RF Output Power .................................................... See Plot
RF Input Power ............................................ +25 dBm (max)
Small Signal Gain 29-31 GHz ......................................28 dB
31-38 GHz .....................................22 dB
PRF..................................................................50 kHz (max)
Noise Power Density ...................................... -35 dBm/MHz
Spurious......................................................... -45 dBc (max)
Environment
Temperature .................................................... -40 to +85C
Underneath TWT Collector ................................. +95C max
Cooling................................................................ Conduction
Altitude ................................................................ 50,000 feet
Humidity ................................ Up to 95%, with condensation
Shock ........................................................... 30 g, 11 msec
Acceleration .................................................................. 7 g's
Vibration.................................0.04 g2 /Hz from 80 to 350 Hz
-3dB/octave 20 to 80 Hz
-3dB/octave 350 to 2000 Hz
The M1871 NanoMPM® is a wideband, high
efficiency Ka-Band amplifier with benchmark
power density. Target applications include mobile
communication and small platform radar in
airborne, shipboard, and ground military systems.
Interface
Prime Power, operating .......................................... +28 VDC
Per MIL-STD-704E
200 Watts (max)
Prime Power, standby .................................. 10 Watts (max)
Controls .............................................. High Voltage Control,
RF on/off (blanking)
Digital Indicators ..................... Warm-up Complete Indicator
Fault Indicator
High Voltage Indicator
Analog Monitor ................................................ Helix Current
Auxiliary 12V output ........................................... 1.0 A (max)
MPM Output Power
Output Power (dBm)
Mechanical Description
Dimensions .................................................... 6.6” x 4.1” x 1”
Weight ............................................................. 2.5 lbs (max)
RF Input Connector ............................................ 2.9 mm (F)
RF Output Connector ............................... WR 28 waveguide
Control Connector.......................15 pin Micro-D Receptacle
Power Connector ..........................9 pin Micro-D Receptacle
Specifications subject to change without notice
50
Minimum Output Power
Typical Performance
48
46
44
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40
29
NanoMPM is registered trademark in the U.S. Patent and Trademark Office
30
31
32
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35
Frequency (GHz)
36
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38
Cleared by DoD/OSR for public release
under 14-S-0774 on 02/04/14
L-3 Communications Electron Devices, Ph: (650) 591-8411 Fax: (650) 508-1956 E-mail: [email protected] www.L-3com.com/edd
Outline Drawing M1871
Pin # 1‐4 5 6‐9 J2 SIGNALS TABLE
Function
Signal Format
+28 VDC
Power
Spare GND
Ground
J3 SIGNALS TABLE 3-D solid models available upon request
Pin #
Description 1
Spare 2
Helix Current Return 3
Spare 4
High Voltage Control 5
RF On/Off (Blanking) 6
Warm‐Up Indicator 7 High Voltage Indicator 8
Spare 9 Helix Current Monitor 10
Spare 11
Fault Indicator 12
Signal Return 13
Spare 14
+12V Output 15
+12V Return Ground
TTL TTL TTL TTL Analog
TTL Ground
12V DC
Ground
Notes
Logic 1 = HV On
Logic 1 = FE Biased On
Logic 1 = Warm‐Up (HV Off)
Logic 1 = High Voltage OK
200 mV/mA
Logic 1 = Fault (HV, RF Off)
1 Amp max output
Electron Devices
960 Industrial Road, San Carlos, CA 94070
(650) 591-8411 Fax: (650)508-1956
Web Site: www.L-3com.com/edd
E-mail: [email protected]

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