5314028084

NO ł • BASIC MANUAŁ SYSTEM (NO SWITCMINGI ONE EXClTER

NO. 3 BASIC MANUAŁ SYSTEM (NO SWITCMINGI • OUAL EKClTERS

NO. 3 BASIC MANUAŁ SYSTEM (NO SWITCMING IN OUTPUTI - OUAŁ AUTOMATIC EXClTERS

NO. 4 - FUŁŁ OUAL AUTOMATIC SYSTEM.

831H Series specifications

Output Power......... 831H-1B: 45 kW

831 H-1: 40 kW

Output Impedance ...... 50 ohms, vswr 2:1 maximum

Frequency Rangę....... 88 to 108 MHz

Frequency Stability...... ±1000 Hz

Modulation Capabiiity .... ±100 KHz

Audio Input Level....... 10dBm ±2 dB

Audio Frequency Response . . Complies with FCC standard

preemphasis curve

Audio Frequency Distortion. . Monaural: production test spec

is 1% (typical is 0.5 % or less) 50 to 15000 Hz

Harmonie Attenuation .... 80 dB minimum

FM Noise Levef........ 65 dB below 100% modulation

(±75 KHz)

AM Noise Level........ 55 dB rms

Altitude............ Operating 7500 ft at 30 C

Non-operating 10,000 ft

Power Source......... 200 to 250 volts ac 50/60 Hz 3

phase. Available taps on transformers are for 200, 210, 220, 230. 240 and 250 volts

Permissible Linę Voltage

Variation........... ±5%. In addition, each phase

yoltage shall be within 5% of the average of all three phases

Power Reąuirements..... Nominał 40 kW output requires

70 kVA at 0.97 power factor; nominał 45 kW output requires 78 kVA at 0.97 power factor

Size.............. 68-15/16" (175.1 cm) H; 143"

(363.2 cm) W. plus 22" (55.8 cm) cabinet for control and switching panels; 29" (73.6 cm) D.

Weight............. From 4800 Ibs (2090 kg) to 5500

Ibs (2495 kg) depending on configuration.

831 H-1........... FM Transmitter, 40 kW

831 H-18.......... FM Transmitter, 45 kW

831H Błock Diagram

831H Ca\nty