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| 750W Compact Medium Power Amplifier for Satellite Communications X -B a n d The VZX-6987A7 750 Watt TWT Medium Power Amplifier-- high efficiency in a compact package. X-Band Compact Easy to Maintain 750W Compact Medium Power Amplif ier Provides 750 watts of power in a 5 rack unit package, digital ready, for wideband, single- and multi-carrier satellite service in the 7.9 - 8.4 GHz frequency band. Ideal for transportable and fixed earth station applications where space and prime power are at a premium. Efficient Modular design and built-in fault diagnostic capability with convenient and clearly visible indicators for easy maintainability in the field. Worldwide Support Employs a high efficiency dual-depressed collector helix traveling wave tube backed by many years of field-proven experience in airborne and military applications. Simple to Operate Backed by over three decades of satellite communications experience, and CPI's worldwide 24-hour customer support network that includes fourteen regional factory service centers. User-friendly microprocessor-controlled logic with integrated computer interface, digital metering, pin diode attenuation and optional integrated linearizer for improved intermodulation performance. Global Applications 811 Hansen Way P.O. Box 51625, Palo Alto, CA 94303 tel: +1 (650) 846-3803 fax: +1 (650) 424-1744 e-mail: marketing@satcom.cpii.com www.cpii.com/satcom Meets International Safety Standard EN-60215, Electromagnetic Compatibility 89/336/EEC and Harmonic Standard EN-61000-3-2 to satisfy worldwide requirements. X -B a n d SPECIFICATIONS, VZX-6987A7 Electrical Frequency Output Power TWT Flange 7.9 - 8.4 GHz 750 W min. (58.75 dBm) 650 W min. (58.13 dBm) 500 MHz 75 dB min. at rated power, 88 dB max. 78 dB min. at small signal, 90 dB max. 0 to 30 dB (via PIN diode attenuator) Group Delay 0.25 dB/24 hrs. max. (after 30 min. warmup) 1.0 dB over oper. temp. range 0.75 dB over 10C 0.04 dB/MHz max. 0.5 dB pk-pk max. 2.5 dB pk-pk max. 3.5 dB pk-pk max. 1.3:1 max. 1.3:1 max. 2.0:1 1.5:1 Any value -50 dBc below 10 kHz -20[1.5 +log F(kHz)] dBc, 10 kHz to 500 kHz -85 dBc above 500 kHz (in any 40 MHz band) Primary Power Voltage Frequency Power Consumption Power Factor Inrush Current Spectral Regrowth Electrical (continued) Intermodulation -24 dBc max. with two equal carriers at total output power 7 dB (3 dB with optional integral linearizer) below rated singlecarrier output -30 dBc max. at total output power 3 dB backoff (300 W with linearizer) QPSK modulation 0.01 ns/MHz linear max. 0.001 ns/MHz sq. parabolic max. 0.5 ns pk-pk ripple max. Single phase, 208-240 VAC 10% 47- 63 Hz 2.2 kVA typ. (at 3 dB backoff) 2.7 kVA max. 0.95 min. 200% max. * * * * OPTIONS: Integral Linearizer Remote Control Panel Redundant and Power Combined Subsystems External Receive Band Reject Filter (increases loss by a minimum of 90 dB at 7.25 to 7.75 GHz) Bandwidth Gain RF Level Adjust Range Gain Stability At constant drive & temp. Over temp., constant drive (any frequency) Small Signal Gain Slope Small Signal Gain Variation Across any 40 MHz band Across the 500 MHz band Across 500 MHz, with linearizer option Input VSWR Output VSWR Load VSWR Continuous operation Full spec compliance Operation without damage Residual AM, max. Environmental Ambient Temperature Relative Humidity Altitude -10C to + 50C operating -40C to + 70C non-operating 95% non-condensing 10,000 ft. with standard adiabatic derating of 2C/1000 ft., operating; 50,000 ft. non-operating Designed for normal transportation environment per Section 514.4 MIL-STD-810E. Designed to withstand 20G at 11 ms (1/2 sine pulse) in non-operating condition. Forced air w/ integral blower. Rear air intake & exhaust. Maximum external pressure loss allowable: 0.5 inches water column. Type N female CPR-112 waveguide flange, grooved, threaded UNF 2B 10-32 Type N female 19 x 8.75 x 24 in. (483 x 222 x 610 mm) 95 lbs (43 kg) max. Shock and Vibration Phase Noise IESS-308/309 phase noise profile -6 dB AC fundamentals related -36 dBc Sum of spurs (370 Hz to 1 MHz) -47 dBc AM/PM Conversion 2.5/dB max. for a single-carrier at 8 dB below rated power. With optional integral linearizer, can be tuned to 1.0 deg/dB max. -60 dBc at rated power, second and third harmonics <-90 dBW/4 kHz, 7.25 - 7.75 GHz <-75 dBW/4 kHz, in passband <-65 dBW/4 kHz, in passband with linearizer option <-165 dBW/4 kHz, in passband with optional filter <-155 dBW/4 kHz, in passband with both options 10 dB max.; 15 dB max. with optional integral linearizer Mechanical Cooling RF Input Connection RF Output Connection RF Output Monitor Dimensions (W x H x D) Weight Harmonic Output Noise and Spurious Heat and Acoustic Heat Dissipation Acoustic Noise 2000 Watts max. 68 dBA (as measured at 3 ft.) Noise Figure KEEPING YOU ON THE AIR not up in the air Certificate Number: 30515 For more detailed information, please refer to the corresponding CPI Technical Description. Note: Specifications may change without notice as a result of additional data or product refinement. Please contact CPI before using this information for system design. MKT 121, ISSUE 3 08/06 PDF |
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