6The receiver shall be a crystal controlled double
superheterodyne using two limiter stages, and a discrimination
ty-)e detector_ All spurious responses must be reduced to a
minimum of 85 decibels. Response to a signal 120 kilocycles
off resonance shall be 85 decibels do,n minimum.
The receiver shall incorporate a noise a^iplifier
and rectifier circuit, so that noise peaks tighten squelch.
A one microvolt ignal shall provide 20 decibels quieting.
Squelch shall oven on one half microvolt.
The crystal furnished shall be capable of maintain-
ing it's frecuency within two cycles per megacycle per degree
centigrade.
All tuning adjustments must remain constant despite
Jarring and vibration. In general, construction details
shall be equivalent to those outlined for mobile transmitters.
Control of audio volume, squelch, microphone plug
and pilot light must be provided on control head.
Receivers shall use vibrator power supply and shall
operate from a standard six volt automobile battery.
MOBILE UNIT FOR
MOTORCYCLE Bidder shall furnish in detail his own
specifications for this mobile unit to
be ocerated on the sam- frecuency as the other units L-erein
described.
PREVAILING `JAGF,,CALT The prevailing wage scale which has
been determined by the City Council of
E1 oegundo, California, and which shall be a part of the
contract for the work herein specified is as follows.
Padio Technician . . . . . . . k1.55 per hour
Padio Technician Holner . . . 1.75 per nour
All foremen not mentioned separately classified
shall be paid not less than 17 -1/2 cents per hour more than
the hourly rate of the highest classification over which he
has supervision.
6-
I Its