Model No. PMA-218-LSP

PMI Model No. PMA-218-LSP is a modulator amplifier capable of amplitude modulation, level control and pulse modulation for an RF stimulus path that works from 0.5 to 2.0 GHz and 2.0 to 18.0 GHz.  This integrated module contains switches, modulators, attenuators and amplifiers and is built using MIC/MMIC technology.

Quick Links: (click the links below for additional information)

Product Feature

Functional Block Diagram

 

Specifications:

Frequency Range

(J2 to J3) 2.0 to 18.0 GHz

(J1 to J3) 0.5 to 2.0 GHz

Power Output at 1.0 dB Compression
(Fendamental) into a 1.5:1 maximum
VSWR (any phase)

+13.0 dBm Min

Third Order Intercept Point(output) +23.0 dBm Min
RF Input Power +14.0 dBm Max
RF Output Power +6.0 ± 2.0 dBm with 5.0 dB attenuation in the leveling attenuator and with an RF Input of +12.0 dBm
Pulse Modulation Depth

60.0 dBc Min

RF Pulse Width Range 200 ns to 100 µs
RF Pulse Rise Time (10% to 90%) 10 ns Max
RF Pulse Fall Time (90% to 10%) 15 ns Max
RF Pulse Repetition Interval 1 µs to 6 ms
RF Pulse Distortion ±2.0 dB Max variation
Pulse/CW Differential 0.3 dB Max variation
Pulse Width Fidelity ±20 ns Max deviation
(between square law detected RF output pulse 50% points and control input 50% points)
Level Modulator (Mod A) 0.0 to 60.0 dB Min
Level Modulator Accuracy

±0.5 dB (0.0 to 10.0 dB)
±1.0 dB (10.1 to 20.0 dB)

±1.5 dB (20.1 to 40.0 dB)

±2.0 dB (40.1 to 60.0 dB)

Sensitivity 6 dB/volt
Amplitude Modulator Depth (Mod B) 0.0 to 60.0 dB Min
Amplitude Modulator Depth Accuracy

±0.5 dB (0.0 to 10.0 dB)
±1.0 dB (10.1 to 20.0 dB)

±1.5 dB (20.1 to 40.0 dB)

±2.0 dB (40.1 to 60.0 dB)

Amplitude Modulation Rate 1.0 Hz to 2.0 kHz
Noise Figure TBD dB Max
Harmonics at P1dB -20.0 dBc Min
Spurious Outputs -60.0 dBc Min
Measure from 0.5 to 18.0 GHz
VSWR(RF Input) 1.8:1 Max (Ref to 50 Ohms)
1.8:1 Max (Ref to 50 Ohms)
Bias Voltages/Currents +15 VDC
-15 VDC
Size 4.0" x 3.0" x 0.8"

 

Environmental:

Temperature:  -20 °C to +65 °C (Operating)
 -40 °C to +71 °C (Storage)
Humidity  MIL-PRF-28800F, PAR 4.5.5.1, Class 1
Shock

 MIL-PRF-28800F, PAR 4.5.5.4.1, Class 1

Vibration  MIL--PRF-28800F, PAR4.5.5.3.1, Class 1
Altitude  Up to 15,000 Feet (Operating)

 

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