TB 11-6625 -3263-25
Condition Codes Continued
Code
Condition
E66
75, 135, 600, 5 k, 8.9 k, 39 k ohms dependent upon input plug -in modules;
input signal amplitude -80 to +32 dBm (24.5 microV to 30 V); selectivity
filter BW=250, 2500 Hz; 50 M ohm high impedance probe available (Model
126B/PA); similar to FR -209(V)1/U. TEMOD item input impedance 75,
124, 135, 600, 10 kohms; input signal amplitude -120 to +20 dBm;
selectivity filter BW=20, 400, 3100 Hz and C-MSG weighing probe not
provided.
E67
Sierra 127C Frequency Selective Voltmeter Family: Input impedance 135,
600 ohms; input signal amplitude -70 to +22 dBm; selectivity filter
BW=100, 250, 500 Hz; portable; battery pack. TEMOD item input
impedance 75, 124, 135, 600, 10 kohms; input signal amplitude -120 to
+20 dBm; selectivity filter BW=20, 400, 3100 Hz and C-MSG weighing; not
portable.
Sierra 128A Frequency Selective Voltmeter Family (with Model 128PA
E68
probe assemblies): Input impedance 75, 135, 600, 8 k, 13 k, 100 k ohms;
input signal amplitude -100 to +32 dBm (3 microV to 30 V); selectivity filter
BW=250, 3100 Hz; may be operated by 24 -28V external DC source;
similar to FR-205/U. TEMOD item input impedance 75, 124, 135, 600, 10
kohms; input signal amplitude -120 to +20 dBm; selectivity filter BW=20,
400, 3100 Hz and C-MSG weighing; AC power only.
E69
Sierra 129B Frequency Selective Voltmeter Family: Input impedance 600,
100 kohms; input signal level -90 to +50 dBm (30 microV to 300 V F.S.);
selectivity filter BW=10, 100 Hz; self-contained rechargeable batteries;
tracking generator; similar to FR-210/U. TEMOD item input impedance 75,
124, 135, 600 and 10 kohms; input signal level -120 to +20 dBm;
selectivity filter BW=20, 400, 3100 Hz and C-MSG weighing; cannot be
powered by battery source.
Sierra 301A, B Wave Analyzer Family: Frequency range 20 Hz to 100 kHz;
E70
input signal level -90 to +50 dBm (3 0 microV to 300 V F.S.); input
impedance 600, 100 kohms; selectivity filter BW=10, 100 Hz; self-
contained batteries; tracking generator. TEMOD item frequency range 50
Hz to 32.5 MHz; input signal level -120 dBm to +20 dBm; input impedance
75, 124, 135, 600 and 10 kohms; selectivity filter BW=20, 400, 3100 Hz
and C-MSG weighing; cannot be powered by battery source.
E71
Sierra 303A, B Frequency Selective Level Meter Family: Input impedance
75, 135, 600, 2.1 k, 3.8 k, 16 k ohms; input signal level -100 to +22 dBm
(10 microV to 10 V); selectivity filter BW=80 and 2300 or 3100 Hz;
rechargeable internal batteries; portable; four preselected pilot
frequencies; similar to ME-451/G. TEMOD item input impedance 75, 124,
135, 600 and 10 kohms; input signal level -120 to +20 dBm; selectivity
filter BW=20, 400, 3100 Hz and C-MSG weighing; cannot be powered by
battery source.
Sierra 305A, 3055 Transmission Measurement System (305AL Level
E72
Meter TS-2968/U, 305AT Tuning Unit, 360 Spectrum Display Unit; may
also contain 305AG tracking signal generator, 230A -233A passive and
75, 135, 2 k, 4 k, 100 k ohms depending upon probe; input signal level -
109 to +22 dBm; spectrum display calibrated in frequency and amplitude;
selectivity filter BW=250, 3100 Hz; similar to Test Set, Radio AN/USM -306,
4-71
