Millimeter-Wave Measurement Instruments and Waveguide Components

Signal generator

Signal generator

The G4-1XXM series Signal Generator is general-purpose source for testing and verification of microwave equipment in industrial and laboratory conditions. The instrument provides high accuracy microwave signal level in wide attenuation range and can be integrated in manual or automatic measurement systems.

Model number Frequency range, GHz Frequency accuracy, % Frequency stability Residual FM Reference output power level, mW Output VSWR
G4-178M 33 - 50

±0.2

±2×10-4

2×10-5

1 1.5
G4-179M 50 - 75

±0.2

±2×10-4

2×10-5

1 1.5
G4-199M 75 - 110

±0.2

±2×10-4

2×10-5

1 1.5
G4-177M 129.8 - 142

±0.2

±2×10-4

2×10-5

1 1.5

Reference power attenuation range: from 0 to minus 120 dB

Reference power level maintenance level error: ± 1.0 dB

Reference power attenuation level set accuracy: for 0÷20dB: not more than 0.4dB; for 20÷100dB: not more than 2%A; for 100÷120dB: 2dB+3%A-100dB; where A is set attenuation in dB

CW, internal square-wave modulation and external pulse modulation modes

Internal square-wave modulation frequencies: 1 kHz, 100 kHz

External pulse modulation (with external pin modulator, optional)

- pulse duration: 50 ns ÷2µs

- pulse repetition rate: 0.1-20 kHz

External square-wave modulation frequencies: 0.3-10 kHz

Operating temperature range: 5-40 ºC

Microwave signal radiation level 5×10-5 W/m2 at 1 m distance

Remote programming: IEEE-488 (IE? 625 part I), USB, RS-232C

Mains power source requirements: 220±22 and 110±11 V, 50-60, 400 Hz

Power consumption: 300 V×A

Size: 495×132×475 mm

Weight: 16.5 kg