Model No. LCM-7R7G8R2G-CD-1


PMI Model No. LCM-7R7G8R2G-CD-1 is an Amplified RF Laser Control Module for use at a frequency of 7.7GHz to 8.2GHz with an IF range of DC to 10KHz.  It features a 20dB voltage programmable attenuator and a 360° phase shifter.  This model is designed for low spectral noise and high reverse isolation, offered in a slim line housing measuring only 2.5" x 1.75" x 0.4".





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Product Feature

Test Report



Frequency Range 7.7 to 8.2GHz
Gain J1 to J2 16dB, ±2dB max (Attenuation = 0dB)

J2 Output 1dB Compression

28dBm typ
Conversion Gain

0dB, ±3dB max (J1 = 10dBm, J4 = -10dBm)

Tap Out Insertion Loss

16dB, ±2dB typ (J1 to J5)

Input Power J1

20dBm max

Input Power J4

14dB max

VSWR J1, J2, J3, J4, J5

2.2:1 max

Power Supply

+15V @ +1000mA max
-15V @ -200mA max

Size 2.5" x 1.75" x 0.4"
Finish Gold Plated
Low Noise Amplifier 1, 2, 3  
  Gain 14dB typ
  Saturated Output Power 16dBm typ
  Noise Figure 2.5dB typ
  Reverse Isolation 40dB typ
Phase Shifter  
  Phase Shift Range 0° to 360° min
  Control Range 0 to 10 Volts
  Non-Linear Slope Ratio 4:1 typ
  Switching Speed 200nsec max
  Attenuation Range 0 to 20dB min
  Control Range 0 to 10 Volts
  Non-Linear Slope Ratio 8:1 typ
  Switching Speed 1.0usec max
Filter 1, 2, 3, 4, 5  
  Pass Band 7.7 to 8.2GHz, (2dB) typ
  Stop Band, Lower DC to 6.8GHz (20dB) typ
  Stop Band, Upper 10.3 to 18.0GHz, (20dB) typ
Low Pass Active Filter  
  Pass Band DC to 10KHz min
  Stop Band 10KHz (Roll Off 6dB per Octave) typ


Temperature:  -40°C to +85°C (Operating)
 -54°C to +100°C (Storage)
Humidity  95% max

 MIL-STD-202G, Method 213B, Condition B

Vibration  MIL-STD-202G, Method 204D, Condition B
Altitude  MIL-STD-202G, Method 105C, Condition B
Temperature Cycle  MIL-STD-202G, Method 107D, Condition A