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 millimeter-wave signal level in wide attenuation range and can be integrated in manual or automatic measurement systems.


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

±0.2

±2x10-4

2x10-6

0.5 1.5
G4-179M 50 - 75

±0.2

±2x10-4

2x10-6

0.5 1.5
G4-1035E 60 - 90

±0.2

±2x10-4

2x10-6

0.1 1.5
G4-199M 90 - 100

±0.2

±2x10-4

2x10-6

0.1 1.5
G4-177M 129.2 - 142.8

±0.2

±2x10-4

2x10-6

0.1 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

Microwave signal radiation level 5x10-5 W/m2 at 1 m distance

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

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

Power consumption: 300 VxA

Operating temperature range: 5-40 °C

Size: 495x132x475 mm

Weight: 16.5 kg