Frequency Spectrum printable pdf download

Frequency Spectrum

FREQUENCY SPECTRUM

Figure 1, which follows, depicts the electromagnetic radiation spectrum and some of the commonly used or known

areas. Figure 2 depicts the more common uses of the microwave spectrum. Figure 3 shows areas of the spectrum which

are frequently referred to by band designations rather than by frequency.

Section 7-1 provides an additional breakdown of the EO/IR spectrum.

To convert from frequency (f) to wavelength (8) and vice versa, recall that f = c/8, or 8 = c/f;

where c = speed of light.

3x10

300

0.3

3x10

300

0.3

meter

kHz

MHz

GHz

kHz

MHz

GHz

meter

Some quick rules of thumb follow:

Metric:

Wavelength in cm = 30 / frequency in GHz

For example: at 10 GHz, the wavelength = 30/10 = 3 cm

English:

Wavelength in ft = 1 / frequency in GHz

For example: at 10 GHz, the wavelength = 1/10 = 0.1 ft

Figure 1. Electromagnetic Radiation Spectrum

2-3.1

Frequency Spectrum