HP 8642A Operating Manual page 226

Appendix C Model 8642A/B
Appendix C: Amplitude Units Conversion (cont'd)
To convert amplitude values manually, use the following conversion formulas:
dBm
dBf
dB V
dBmV
dBuV
dB EMF V
dB EMF mV
dB EMF uV
V
mV
uV
EMFV
EMFmV
EMFuV
=
=
=
=
=
=
=
=
=
=
=
=
=
=
dBm
dBm+ 120.0
dBm - 13.0
dBm + 47.0
dBm + 107.0
dBm - 7.0
dBm + 53.0
dBm + 11 3.0
1 0
(dBm- 13.0)/20
10
(dBm + 4 7.0)/20
10
(dBm+ 107.0V20
10
(dBm - 7.0)/20
10
(dBm + 53.0)/20
10
(dBm+ 113.0)/20
3-206