12-37
Module I/O Specifications
A18 Spectrum Analyzer
Outputs
From A19 Measurement Assembly
SWP_STRT J1(6)
Levels: CMOS
High = Sweep Start
Low = Sweep Stop
CLK_REF_SA J2(8) Serial Bus
E/I_SA J2(9) to/from A33
DAT_REF_SA J2(5) Hop Controller
Levels: TTL
Clock Rate: ≅80 kHz (bursts)
To A19 Measurement Assembly
SA_SCPT J1(7)
Output Impedance: 100 Ω
Detector Output (Max, Top of Screen): 1.532 V
Input: -12 dB
Res BW: 100 kHz
Step Gain: 0 dB
Variable Gain 0 dB
Sensitivity: 17.6 mV/dB typical
Det Dynamic Range: >80 dB
Det Linearity (Uncal): ± 1.5 dB
Log Amp output with no RF applied: 120 mV Typical