User's Manual

LPA1900-120-SC01
BRAVO TECH INC
Add.: 6185 Phyllis Drive Unit D, Cypress, CA 90630
Phone: [phone] Website: www.bravotechinc.com
Revision: SP·LPA1900-120-SC01·REV.A
3. Electrical Specifications
Parameter spectfication
Frequency 1930 ~ 1990 MHz
Output Power 120Watts max. ( CDMA2000)
Spurious Emission
-45dBc@Δf=885-1.25MHz, 30kHz RBW
-55dBc@Δf=1.25-1.98MHz, 30kHz RBW
-55dBc@Δf=1.25-2.25MHz, 30kHz RBW
-13dBm@Δf=2.25-4MHz, 30kHz RBW
RF Gain 57.0 ± 1.0dB @ frequency range, +30Vdc, room temp.
Normal Operating Voltage +30Vdc±1.0Vdc
Operating Voltage +29Vdc ~ +31Vdc
RF Gain Variation over
Voltage & Temperature ±1.0dB @ +29≤Vsup≤+31V, -30℃ to +55℃
Gain Flatness Peak to Peak 0.2dB over any 5MHz
Input/Output Return Loss -18dB min.
Output Protection Mismatch protected with isolator
Efficiency ≥15%@+30Volts, Po=+50.8dBm
Operating Temperature -30℃ to +55℃ (Air Temperature inside System),
Operating point Output power:52.0dBm ± 0.5dB
Operating range 6dB Input Power ALC B min
Over Pwr Output Pwr:52dBm ± 0.5dB
4. Alarm and Functions Specifications
TTL output for the alarm pins. Normal is High, Alarm is Low.
4.1 Over temperature alarm
Alarm and shutdown at 95℃ base temperature, auto-recover at 90℃ base
temperature.
4.2 Over power alarm
Alarm and shutdown when output power is over 52.3dBm, no auto-recover.
4.3 ALC
4.3.1 ALC level: 52.0±0.5dBm
4.3.2 ALC range: ≥6dB
4.4 VSWR alarm
Alarm and shutdown when reject is over 5, auto-recover at 3.