§  24.135   Frequency stability.

   (a) The frequency stability of the transmitter shall be maintained
   within +-0.0001 percent (+-1 ppm) of the center frequency over a
   temperature variation of -30 DEGCelsius to +50 DEGCelsius at normal
   supply voltage, and over a variation in the primary supply voltage of
   85 percent to 115 percent of the rated supply voltage at a temperature
   of 20 DEGCelsius.

   (b) For battery operated equipment, the equipment tests shall be
   performed using a new battery without any further requirement to vary
   supply voltage.

   (c) It is acceptable for a transmitter to meet this frequency stability
   requirement over a narrower temperature range provided the transmitter
   ceases to function before it exceeds these frequency stability limits.

Subpart E--Broadband PCS

   Source:    59 FR 32854 , June 24, 1994, unless otherwise noted.