Giga-tronics 58542 - Page 118

58452 VXIbus Universal Power Meter
4-14 Publication 21555, Rev. E, September 2002
NOTES:
1. Linearity Error (%) = [(R1/R2) / (P1/P2) - 1] x 100
2. Accumulated error is the sum of the current dB segment linearity error plus the previous accumulated error.
3. Use the first CW Linearity error value entered in the +16dBm to +20dBm Linearity Data on page 4-13.
58542 VXIBUS UNIVERSAL POWER METER
Performance Verification Test Data Sheet (2 of 2)
Linearity Data (+16dBm to +60dBm)
Step
Attenuator
Value
Power
Set Point
Power Meter
Reading
(P)
58542
(DUT)
Reading
(R)
Reference
Power
Ratio
58542
(DUT) Reading
Ratio
Linearity Error (%)
1
Linearity
Specification
Accumulated
Linearity Error
2
0dB 1.00mW.025m
W
See Note 3
1.00mW
±0.025mW
±1% Same as Lin. error
above
10dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1%
20dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1%
30dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1%
40dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1%
50dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1%
60dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±1.5%
70dB 1.00mW
±0.025mW
P1 = R1 = P1/P2 = R1/R2 =
10.00mW
±0.25mW
P2 = R2 = ±6%