
Chapter 1 17
General Information
Specifications and Characteristics
General Information
Multiple Response
a
(Due to in-range applied signals mixing with LO
harmonics other than order N)
11974A (N = 8)
11974Q (N = 10)
11974U (N = 10)
11974V (N = 14) (applied signal: 50 to 67 GHz)
11974V (N = 14) (applied signal: 67 to 75 GHz)
−63 dBc max.
−60 dBc max.
−60 dBc max.
−60 dBc max.
−55 dBc max.
a. Multiple response displayed frequency, f ′
RF
, due to input signal f
RF
.
where:
N = Band Harmonic number
N
′ = Unwanted Harmonic
= …N
−2, N−1, N+1, N+2,…
f
IF
= 321.4 MHz for 8566B and 71000C Spectrum Analyzers
= 310.7 MHz for 8560 Series Portable Spectrum Analyzers
Table 1-1 11974 Specifications (Continued)
f′
RF
N
N′
------
f
RF
f
IF
+=
N′ N±
N′
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