6158A (Marconi)

Microwave 8 to 12.4 GHz AM FM CW electronically tunes signal generator/source.

Condition: Excellent general condition (not calibrated) but some spoiling evident on the digital-display window.

Specification (some parameters yet to be verified)
• Frequency Range: 8.0 to 12.4 GHz
• Scale Accuracy: <0.75%
• Stability: 0.006% after 1 hr warm up (Temperature : 10-50'C)
• O/P power: typical max + 20dBm (adjustable -3 to +20 dBm)
• Attenuator: typically 15 dB
• Impedance: 50 ohm
• Connector: precision N type (panel socket)
• Signal purity: < -20db relative to fundamental
• Residual FM: typically 10ppm
• AM: Internal 15dB depth modulation, External 17dB for 100ma input (rise time 5usec)
• AC Power: 200~250 Vac or 100~125 Vac (rear panel switch selectable)

Serial No: 167
Height: 98 mm (4 in)
Width: 270 mm (xx in)
Depth: 254 mm (xx in)
Weight: 6.3 kg