Intra Action Signal Processer ME-401T7

The Intra Action ME-401T7 is a signal processor combining crystal-controlled RF generation, fast modulation, and broadband power amplification in a single chassis. It delivers precision RF signal conditioning for laboratory, research, and industrial acousto-optic applications, with integrated power supply and RFI filtering.

Technical Specifications

• Oscillator frequency: Model-dependent (ME-4010 operates at 40 MHz)


• RF output power: Varies by model (ME-40: 2 W, ME-405: 5 W, ME-4010: 10 W)


• RF amplifier class: AB


• Harmonics at full power: −20 dBc


• Rise/fall time: 30 nsec


• Extinction ratio: 40 dB (standard); 70 dB (T7 and −6 options)


• Output mismatch tolerance: 100 percent


• Impedance: 50 Ω input and output Modulation Input


• Analog: 0–1 V for 0-to-specified RF power output


• Digital (T option): 2 V to 5 V for RF on; 50 Ω input impedance


• Digital with enhanced rejection (T7 option): 70 dB extinction ratio


• Hybrid (−6 option): Analog and digital inputs combined; 70 dB extinction ratio Oscillator Characteristics


• Calibration tolerance: 25 ppm (standard)


• Factory-installed crystals available at alternate frequencies


• Optional external frequency source via front panel (N option) Output Control


• CW RF output level: Front panel adjustable via DC offset insertion


• Pulsed operation: Supported by broadband amplifier bandwidth Modulation Bandwidth and Rise Time


• Bandwidth (−3 dB): 20 MHz (0.22 mm dia.) or 8.8 MHz (0.5 mm dia.)


• Optical rise time: 24 ns (0.22 mm dia.) or 55 ns (0.5 mm dia.)

Electrical Specifications

• Line voltage: 115/230 Vac, 50–60 Hz (standard); 100 Vac option (J)


• Integrated power supply and RFI line filter

Key Features

• Class AB RF amplification with fast switching response


• Standalone power amplifier mode available (H option)


• Crystal oscillator reference output at +10 dBm CW (E option)


• High extinction ratio variants for demanding modulation applications

Typical Applications

• Acousto-optic signal modulation and control


• RF-driven optical modulators


• Laboratory and research signal conditioning


• Industrial RF switching and amplification

Compatibility & Integration External frequency source input (N option) allows substitution of the internal crystal oscillator. Standalone RF power amplifier operation available via H option. Frequency and power configuration determined by ME-series model selection.