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|  MIL-R-23016(Wep)
Automatic Tuning:
3.3.3.4
With the transmitter terminated by the required load, all
circuits requiring tuning shall be automatically tuned to
resonance and/or automatically coupled to optimum for opera-
tion at the carrier frequency which has been selected at the
associated radio set control unit. Automatic tuning shall be
delayed until after the operating frequency has been selected
and an independent enabling switch has been actuated.
3.3.3.5
Tuning Time:
The tuning time required between selection of a new frequency
of operation, and completion of tuning of all transmitter and
receiver circuits shall not exceed 8 seconds under standard
conditions nor 12 seconds under service conditions. The tuning
time of the associated antenna coupler shall be considered as
an independent requirement peculiar to the coupler unit and
shall not affect the maximum limitation governing the receiver
and transmitter circuits.
Power Amplifier Loading:
3.3.3.6
The transmitter shall provide specified power output with normal
power amplifier loading when terminated into a 51.5 ohm load
with a standing wave ratio not to exceed 1.3/1. The equipmnt
shall operate with VSWR up to 1.7:1 with the requirements as
specified under service conditions.
3.3.3.7
RF Power Output:
Peak envelope power output from the transmitter into a 51.5 ohm
resistive load shall be 400 watts -1 db +2 db. The carrier
power in CW/FSK/AME shall be 125 watts 1 db. Under service
conditions the PEP or carrier power output shall not vary more
than 2 db from the nominal values stipulated above (i.e. 4OO
watts PEP and 125 Watts carrier).
108
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