Characteristic
ENR (U(Y))
Specification
Excess Noise Ratio Expanded Uncertainty (U(Y)) - Table 1-2
Continued
Instrument model
346A
346B
346C
1. Characteristic values are met or bettered by 90% of instruments with
90% confidence.
Chapter 1
Frequency
ENR Uncertainty (±dB)
(GHz)
0.01- 1.5
0.21
1.5 - 3.0
0.20
3.0 - 7.0
0.20
7.0 - 18.0
0.23
0.01- 1.5
0.20
1.5 - 3.0
0.19
3.0 - 7.0
0.20
7.0 - 18.0
0.23
0.01- 1.5
0.22
1.5 - 3.0
0.19
3.0 - 7.0
0.20
7.0 - 18.0
0.28
18.0 - 26.5
0.34
General Information
Introduction
1
7