Wireless Products Electromechanical RF Switches Passive Components Active Components RF Radiation Safety Products Power Meters/Monitors Main Menu Stock Duplexers AMPS CDPD Duplexer Passes Full AMPS Receive / Transmit Bands High Isolation Low Insertion Loss Standard EIA Rack Mountable Excellent Temperature Stability * * * * * DESCRIPTION Narda's AMPS CDPD Duplexer provides highly selective receive / transmit combining. It is designed to pass the full AMPS receive and transmit bands while providing more than 75 dB isolation. This duplexer has a 1.0 dB maximum passband insertion loss with 0.7 dB typical. This unit has been specifically designed for high power applications. Power ratings are 500 watts CW, 750 watts peak, with multi-carrier powers of 8 carriers at 10 watts each. An optional monitor port is available which offers a -50 dB coupled signal for power monitoring. This unit is provided with Type `N' female connectors. SPECIFICATIONS MODEL NUMBER AFD-21A-8289-01 PASSBAND RECEIVE TRANSMIT 824 - 849 MHz 869 - 894 MHz PASSBAND INSERTION LOSS 1.0 dB MAX PASSBAND LOSS VARIATION 0.4 dB MAX PASSBAND RETURN LOSS 14 dB MIN REJECTION ANTENNA TO RECEIVE TRANSMIT TO ANTENNA DC - 768 MHz 902 - 2050 MHz TOC 65 dB MIN 65 dB MIN ISOLATION RECEIVE TO TRANSMIT TRANSMIT TO RECEIVE 75 dB MIN 75 dB MIN POWER HANDLING1 CW PEAK MULTI CARRIER2 500 W 750 W 8 @ 10 W MONITOR PORT contact factory OPERATING TEMP 0 TO +65C STORAGE TEMP -55 TO +125C CONNECTORS TYPE `N' FEMALE SIZE 19" x 2.49" x 2U 482.6 mm x 63.2 mm x 2U 70 NOTES: 1Power handling (max watts) includes simultaneous conditions of antenna VSWR 2:1, altitude 10,000 feet, and case temperature of +50C. MULTIPLE CARRIER is defined as the number of carriers, n each at SEPARATE frequencies within the transmit passband applied simultaneously at the power level, p as indicated, completing the formula: n2 x p = Peak Power Handling. 2 USA TEL: (1) 631 231-1700 * INT'L TEL: (1) 631 231-1390 * FAX (1) 631 231-1711 E-MAIL: nardaeast@L-3COM.com * www.nardamicrowave.com Main Menu Power Meters/Monitors RF Radiation Safety Products Active Components Passive Components Electromechanical RF Switches Wireless Products Stock Duplexers TYPICAL MEASURED DATA CH1 CH2 MEM MEM log MAG log MAG 1 1 dB/ 1 dB/ CH1 CH2 1_:-96.017 dB 1_ -.4897 dB REF 0 dB REF 0 dB MEM S 21 log MAG log MAG 1 1_ -96.017 dB 1_:-.4889 dB REF 0 dB REF 0 dB 10 dB/ 10 dB/ 824.000 000 MHz 824.000 000 MHz PRm PRm 2 Cor 3 2 4 4 3 2_:-90.319 dB 849 MHz 2_ -90.319 dB 849 MHz COR 3_:-.5209 dB 869 MHz 3_ -.5209 dB 869 MHz 4_:-.3975 dB 894 MHz 4_ -.3975 dB 894 MHz PRm 2_ -.578 dB 849 MHz PRm 2_:-.5776 dB 849 MHz Cor 3_ -92.192 dB 869 MHz COR 3_:-92.564 dB 869 MHz 4_:-92.778 dB 894 MHz 4_ -95.285 dB 894 MHz 1 2 4 3 2 3 1 START 790.000 000 MHz STOP 940.000 000 MHz 4 STOP 940.000 000 MHz START 790.000 000 MHz OUTLINE DRAWING 19.00 [482,6] 4X .20 [5,1] 4X .40 [10,2] 3X CONNECTOR, TYPE N, FEMALE MARKING AREA OPTIONAL MONITOR PORT CONNECTOR, BNC, FEMALE 2X .24 [6,1] MON TX 4X .28 [7,1] WIDE SLOT THRU 2.29 [58,2] 2X .34 [8,6] TOC 2X 3.00 3.48 [72,2] [88,4] ANT RX 2X 18.33 [465,6] TUNING AREA 3X .74 [18.8] .68 [17,3] 2.49 [63,2] .19 [4,8] USA TEL: (1) 631 231-1700 * INT'L TEL: (1) 631 231-1390 * FAX (1) 631 231-1711 E-MAIL: nardaeast@L-3COM.com * www.nardamicrowave.com 71