R1254B
Miscellaneous Communication Equipment
AMPLIFIER-LIMITER
R1254B
5895 - Miscellaneous Communication Equipment
AMPLIFIER-LIMITER
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Technical Characteristics
-
~2
deg.c.
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General Characteristics Item Description
item is a four wire ear and mouth channel unit. vf response at 200 hz is 0 to 3 db,300-3000 hz is -0.3 to + 0.3 db,3300 hz is 1.5 db max.,3400 hz is 0 to 3 db. drop level is -17.5 to + 8.0 dbm in xmit,-17.0 to +8.5 dbm in rec.,adj.in 0.1 db
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~1
steps.impedance is 600 ohms.return loss is 23 db min. interchannel crosstalk 65 db min. channel sampling sequence bell system d3,d2,and d1d compatable.line code is am1/b8zs. line impedance 100 ohms. voltage is -48vdc nominal. temp range is +10 to + 40
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