Agilent Technologies 8481D Manual do Utilizador descarregar pdf (Página 11)

E-Series CW power sensor specifications

The chart in Figure 1 shows the typical

uncertainty in making a relative power

measurement, using the same power meter

channel and the same power sensor to obtain

the reference and the measured values.

Example A illustrates a relative gain (amplifier

measurement). Example B illustrates a

relative loss (insertion loss measurement).

This chart assumes negligible change in

frequency and mismatch occur when

transitioning from the power level used as

the reference to the power level being

measured.

Example A:

P = 10(P)/10 x 1 mW

P = 10 6/10 x 1 mW

P = 3.98 mW

3% x 3.98 mW = 119.4 µW

Example B:

P = 10 (P)/10 x1 mW

P = 10 -35/10 x 1 mW

P = 316 nW

3% x 316 nW = 9.48 nW

where P = power in Watts, and (P) = power in dBm

Power linearity

Table 6: E4410 Series power linearity specification

Power

100 pW to 10 mW

(70 dBm to +10 dBm)

10 mW to 100 mW

(+10 dBm to +20 dBm)

Temperature (25 °C ±5 °C)

±3%

±4.5%

Temperature (0 °C to 55 °C)

±7%

±10%

Figure 1. Relative mode power measurement linearity with EPM Series power meter/E-Series CW power

sensor at 25 °C ± 5 °C (typical)

70 35 20 10 +10 +20

±4%

+3%

+20

+10

20

35

70

Power Level Used as Reference (dBm)

Power Level Being Measured (dBm)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 24 25

Comentários a estes Manuais

Sem comentários

Agilent Technologies 8481D Manual do Utilizador Página 11

Comentários a estes Manuais

Manuais e produtos relacionados com Multímetros Agilent Technologies 8481D