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| Watkins-Johnson: The Cell Extenders Power Amplifiers SA1070 TDMA 8-Watt 1.93 GHz to 1.99 GHz Linear Power Amplifier Module s s s s 8 Watts TDMA IS-136 +38 dBm P1dB 40 dB Gain -30C to +85C Output modulation characteristics with a +37 dBm (5-watt) NADC /4 DQPSK output. This HP 89441A display includes a constellation diagram, the samplings of vector error, and the EVM (error vector magnitude) calculations from averaged samplings of the signal. atkins-Johnson's SA1070 Power Amplifier provides exceptional linearity and low vector error for TDMA digital modulation applications. Utilizing WJ's GaAs amplifiers driving bipolar transistors in the class A output stage, the SA1070 achieves a very high output third-order intercept point combined with superior efficiency. W OUTLINE DRAWING 2X SMA FEMALE +5 V +25 V GND 2X .475 .75 5.00 .150 .150 4.700 +5 V +25 V GND 2.300 3.100 3.75 WATKINSJOHNSON MODEL WJ-SA1070 PCS AMPLIFIER 1930-1990 MHz SERNO-0112 RF OUT RF IN 4x ] .136 THRU Amplifier output spectrum with a +37 dBm (5-watt) NADC /4 DQPSK output. The first and second adjacent channels are at 30 kHz and 60 kHz offsets. The first adjacent channels of our measurements do not overlap with the primary channel. The Wireless Edge TM WJ Wireless Products: 1-800-WJ1-4401 * FAX: 650-813-2447 * e-mail: wireless.info@wj.com. Watkins-Johnson: The Cell Extenders Power Amplifiers SA1070 TDMA 8-Watt 1.93 GHz to 1.99 GHz Linear Power Amplifier Module Specifications Parameters Frequency Pout at 1 dB Gain Compression (Min.) Small Signal Gain at +25C Gain Variation over Temperature (-30 to +85C) NADC Parameters1 (with Pout 39 dBm) Output Power ACP (30 kHz offset) ACP (60 kHz offset) Error Vector Magnitude Magnitude Error Phase Error 3rd Order Two-Tone Output Intercept Point, Measured with +25 dBm per Tone, T = 25C (Min.) Harmonic Output (with +39 dBm TDMA output at the fundamental) (Max.) 2nd Harmonic 3rd Harmonic Noise Figure (Max.) Input and Output Impedance Return Loss, 1.930 to 1.990 GHz (Min.) Input and Output Load Mismatch Sustainable without Damage (Pin -5 dBm Vsupply +25.0 Vdc) Stability, no Spurious Output above -50 dBm Supply Voltages Maximum Supply without Damage +25 Volt Supply +5 Volt Supply Maximum DC Current +25 Vdc Supply +5 Vdc Supply DC Power Dissipation (Max.) +25 Vdc Supply +5 Vdc Supply Baseplate Temperature Range 2 Size (Refer to interface control drawing WJ-299010SK) RF Connectors Weight Intermodulation Suppression vs. Output Power Per Tone -10 Intermod Product Rejection (dBc) -20 -30 -40 -50 -60 -70 -80 15 20 25 30 35 40 IM (Lower) IM (Upper) Typical Level +38 dBm Specified Limits 1.930 -1.990 GHz +37 dBm 400.75 dB 0.75 dB +39 dBm -26 dBc -45 dBc 4.0% 2.5% 1.7 degrees +45 dBm -13 dBm -13 dBm 6.0 dB 50 ohm -15 dB 3.0:1 Unconditionally stable for all loads +5 and +25 Vdc +26.5 Vdc +6 Vdc +39 dBm -29 dBc -51 dBc 2.9% 1.7% 1.3 degrees +47 dBm -25 dBm -17 dBm 5.0 dB -20 dB 1850 mA 505 mA 2000 mA 560 mA 50 watts 2.8 watts -30 to +85C 0.75" (H) 3.75" (W) 5.00" (L) SMA Female 13.8 oz. 14 oz. ACP Rejection vs. Output Power Adjacent Channel Power Rejection (dB) -20 NADC TDMA Format -30 -40 ACPR at -30 KHz ACPR at +30 KHz EVM vs.Output Power 9 EVM (%) and Phase Error (degree) NADC TDMA Format 7 5 3 1 -1 25 EVM Mag Error (%) Phase Error (deg) -50 -60 -70 25 27 29 31 33 35 37 39 41 Output Power (dBm) ACPR at -60 KHz ACPR at +60 KHz 27 29 31 33 35 37 39 41 Output Power Per CW Tone (dBm) Output Power (dBm) Notes: 1. TDMA spectral regrowth is measured with a spread spectrum input from a Marconi 2051 Signal Generator selecting the "Digital/Cellaular/NADC" modulation system that produces /4 DQPSK modulation with 24.30 kHz symbol rate and Root Nyquist filtering with alpha = 0.35. This unit is to be mounted on a ground plane and thermal heat sink, with a maximum heat sink temperature of +85C. 2. This unit is to be mounted on a thermal heat sink with a maximum heatsink temperature of +85C. The Wireless Edge TM W A T K I N S - J O H N S O N C O M P A N Y * 3 3 3 3 H i l l v i e w A v e n u e * P a l o A l t o , C A 9 4 3 0 4 - 12 2 3 |
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