2

LD79A02K

TYPICAL OPERATIONS

Frequency Range ………………………………………… 27.5– 30.0 GHz

Power Output …………………………………………… 20 W minimum

Gain Variation …………………………………………… 2.5 dB / 2.5 GHz

Gain

……………………………………………………… 43 dB (at Po = 20 W)

50 dB (at small signal)

Gain Stability

……………………………………………

± 0.25 dB/24 hr (25˚C±10˚C)

Gain Slope ………………………………………………… 0.02 dB / MHz

Harmonic Output ………………………………………… 15 dB below at rated output power

Spurious Output ………………………………………… –70 dBW in any 4 kHz band

in the 27.5 to 30.0 GHz

AM to PM Conversion

………………………………… 4

°/ dB at rated power

Intermodulation ………………………………………… 30 dB below each of two equal carriers

(total 2 W)

Group Delay

Linear component …………………………………… 0.1 ns / MHz

Ripple component …………………………………… 1.0 ns (p-p) in any 40 MHz band

RF Input

Waveguide

…………………………………………… Mates with UG-599 / U Flange

VSWR …………………………………………………… 2.0 : 1 maximum

Load VSWR …………………………………………… Operate into 1.5 : 1 maximum

RF Output

Waveguide

…………………………………………… Mates with UG-599 / U Flange

VSWR …………………………………………………… 2.0 : 1 maximum

Load VSWR …………………………………………… Operate into 1.5 : 1 maximum

Primary Power …………………………………………… –48 V

± 10%

Power Consumption …………………………………… 86 W

Efficiency

………………………………………………… 25% approx.

Dimensions ……………………………………………… 240

× 150 × 40 mm

Weight ……………………………………………………… 2.1 kg approx.

ENVIRONMENTAL CONDITIONS

™ Ambient Temperature

–30

°C to +70°C (non operating, storage)

™ Relative Humidity

90% maximum (non dewing)

™ Base Plate Temperature

–15

°C to +65°C maximum

Note 1 : These characteristics and operating values may be changed as a result of additional information or

product improvement. NEC should be consulted before using this information for equipment de-

sign. This data sheet should not be referred to a contractual specification.