Signal generator
- Full waveguide bandwidth*
- BWO source
- Reference output power
- GPIB programmable
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
