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

Tel: 301-631-1579 Fax: 301-662-2029
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 Number PS-901 is a +90/-90 or +0/-180 Miniature, Bi-Phase Modulator/Shifter that is TTL (or ECL) Compatible, Single Balanced (Double Balanced Available), and that Operates over the 6 to 12 GHz Range.  Other Frequencies from 2 to 18 GHz are Available in Octave Bands.


  Differential Phase Shift 90 or 180, 10
  Frequency Range 6.0 to 12 GHz
  Insertion Loss 2.5 dB Typical (3.0 dB Maximum)
  Return Loss (VSWR) 2.0:1 Typical (2.5:1 Maximum)
  Switching Speed Rise Time: 20 ns Typ. (25 ns Max.)
Fall Time: 10 ns Typ. (15 ns Max.)
Delay On*: 60 ns Typ. (75 ns Max.)
Delay Off*: 45 ns Typical (75 ns Max.)
  RF Input Power (Operating) 0.1 W
  RF Input Power (Survival) 0.5 W
  Carrier Suppression 20 dB Typical (15 dB Minimum)
  Control Logic TTL (ECL Available)
  Power Supply +5 VDC @ 75 mA Maximum
- 5 VDC @ 20 mA Maximum
  Size 2.00" x 0.79" x 0.54"
  Weight ≤1.5 oz.
*50% Logic to Within 10 of Final Phase Shift


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:  -40 C to +85 C Operating
 -65 C to +100 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 on PS-901


Product Feature:

Product Feature on PS-901


Test Data on PS-90:

Test Data on PS-90

(Note: PS-90 is the same as PS-901)



Electrical and Mechanical Specifications and Test Report on our Bi-phase Modulators


Further Information:

Short Form Page on our Bi-Phase Modulators