Planar Monolithics Industries, Inc.
7311-F Grove Road Frederick, MD 21704 USA

Tel: 301-662-5019, Fax: 301-662-1731
ISO 9001:2000 Certified



Planar Monolithics Industries, Inc. is very proud to announce that effective December 17, 2003 PMI has become ISO 9001:2000 Certified for the following scope of registration: Research, Development, Custom Design and Manufacture of RF/ Microwave Components, Super Components and Subsystems, in the DC to 40 GHz Frequency Range.  Please click here to see PMI's ISO Certificate.



PMI Model No: DD-20-23 is a High Speed, DC-Coupled, Directional Detector with 20dB Directivity and 3 Watt Input Power Handling. The DD-20-23 is designed to operate over the 2.5 to 3.0 GHz band and the size is 2.44 X 1.50 X 0.77 inches.


  Frequency Range 2.5 GHz to 3.5 GHz
  Insertion Loss 0.5 dB
  Insertion Loss Variation 0.2 dB (Over Frequency)
  VSWR Input 1.25:1
  Impedance 50 ohm
  Minimum Directivity 20 dB (Narrow Band Only)
  Maximum RF Input 3 Watts
  Maximum Output Voltage 31 mV @ +16 dBm to 220 mV @ +26 dBm
  Video Bandwidth 10 MHz
  Power Plus +15V
  Power Minus -15V
  Size 2.44" x 1.50" x 0.77"
  Weight <4 oz.


Available Options:

Please contact the factory for additional options.


Environmental Ratings:


Our standard environmental ratings are as follows, for specific requirements please contact us...
 Temperature:  -55 C to +85 C Operating
 -65 C to +125 C Non-Operating
 Humidity:  MIL-STD-202F, Method 103B Cond. B
 Shock:  MIL-STD-202F, Method 213B Cond. B
 Vibration:  MIL-STD-202F, Method 204D Cond. B
 Altitude:  MIL-STD-202F, Method 105C Cond. B
 Temperature Cycle:  MIL-STD-202F, Method 107D Cond. A



Outline Drawing:

Click here to see an outline drawing of DD-20-23


Product Feature:

Product Feature on DD-20-23


Test Report:

Test Data on DC-Coupled, High Speed 2.5 GHz to 3.0 GHz and 3.0 GHz to 3.5 GHz 3 Watt Input Power Handling 20 dB Directivity Directional Detector


Test Data:
Test Data on DD-20-23


Press Release:
Press Release for DD-20-23