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 Easy to Maintain 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. Modular design and built-in fault diagnostic capability with convenient and clearly visible indicators for easy maintainability in the field. Efficient Employs a high efficiency dual-depressed collector helix traveling wave tube backed by many years of field-proven experience in airborne and military applications. Worldwide Support 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. Simple to Operate User-friendly microprocessor-controlled logic with integrated computer interface, digital metering, pin diode attenuation and optional integrated linearizer for improved intermodulation performance. Global Applications Meets International Safety Standard EN-60215, Electromagnetic Compatibility 89/336/EEC and Harmonic Standard EN-61000-3-2 to satisfy worldwide requirements. 811 Hansen Way P.O. Box 51625, Palo Alto, CA 94303 tel: +1 (650) 846-3803 fax: +1 (650) 424-1744 e-mail: [email protected] www.cpii.com/satcom 750W Compact Medium Power Amplif ier Compact X -B a n d SPECIFICATIONS, VZX-6987A7 Electrical • • • • 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) Electrical (continued) Frequency Output Power TWT Flange 7.9 - 8.4 GHz Bandwidth 500 MHz Gain 75 dB min. at rated power, 88 dB max. 78 dB min. at small signal, 90 dB max. RF Level Adjust Range 0 to 30 dB (via PIN diode attenuator) 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 -30 dBc max. at total output power 3 dB backoff (300 W with linearizer) QPSK modulation Group Delay 0.01 ns/MHz linear max. ±0.25 dB/24 hrs. max. (after 30 min. warmup) ±1.0 dB over oper. temp. range ±0.75 dB over ±10˚C ±0.04 dB/MHz max. 0.5 dB pk-pk max. 2.5 dB pk-pk max. (in any 40 MHz band) Primary Power Voltage Frequency 0.001 ns/MHz sq. parabolic max. 0.5 ns pk-pk ripple max. Single phase, 208-240 VAC ±10% 47- 63 Hz Power Consumption 2.2 kVA typ. (at 3 dB backoff) 2.7 kVA max. Power Factor 0.95 min. Inrush Current 200% max. Input VSWR 1.3:1 max. Environmental Output VSWR 1.3:1 max. Ambient Temperature Load VSWR Continuous operation Full spec compliance Operation without damage -10°C to + 50°C operating -40°C to + 70°C non-operating 2.0:1 1.5:1 Any value Relative Humidity 95% non-condensing Altitude 10,000 ft. with standard adiabatic derating of 2°C/1000 ft., operating; 50,000 ft. non-operating Shock and Vibration 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. AM/PM Conversion -50 dBc below 10 kHz -20[1.5 +log F(kHz)] dBc, 10 kHz to 500 kHz -85 dBc above 500 kHz 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. Harmonic Output -60 dBc at rated power, second and third harmonics Noise and Spurious <-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 Noise Figure 10 dB max.; 15 dB max. with optional integral linearizer 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. PDF Spectral Regrowth 750 W min. (58.75 dBm) 650 W min. (58.13 dBm) 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 08/06 -24 dBc max. with two equal carriers at total output power 7 dB (3 dB with optional integral linearizer) below rated singlecarrier output 3.5 dB pk-pk max. Residual AM, max. MKT 121, ISSUE 3 Intermodulation Mechanical Cooling Forced air w/ integral blower. Rear air intake & exhaust. Maximum external pressure loss allowable: 0.5 inches water column. RF Input Connection Type N female RF Output Connection CPR-112 waveguide flange, grooved, threaded UNF 2B 10-32 RF Output Monitor Type N female Dimensions (W x H x D) 19 x 8.75 x 24 in. (483 x 222 x 610 mm) Weight 95 lbs (43 kg) max. Heat and Acoustic Heat Dissipation 2000 Watts max. Acoustic Noise 68 dBA (as measured at 3 ft.)