SI MMIC IQ DEMODULATOR UPC2781GR INTERNAL BLOCK DIAGRAM FEATURES • RF BANDWIDTH: 440 - 520 MHz • IF BANDWIDTH: 0.3 - 20 MHz • ON CHIP 90˚ PHASE SHIFTER • IQ PHASE AND AMPLITUDE BALANCE Amplitude Balance: ± 0.5 dB Phase Balance: ± 2.0 degree • LOW IM3 DISTORTION: 35 dBc Typical • SMALL 20 PIN SSOP PACKAGE • TAPE AND REEL PACKAGE AVAILABLE DESCRIPTION GND(IQ) 1 20 I OUT VCC(IF-I) 2 19 I OUT VAGC 3 18 OSC OUT GND(RF) 4 17 OSC-B2 RF IN 5 RF IN 6 15 OSC-C2 AGC AMP. GND(IQ) 7 The UPC2781GR is a Silicon MMIC IQ demodulator manufactured with the NESAT III™ silicon bipolar process. The IC consists of an AGC amplifier, double balanced mixers, oscillator, 90˚ phase shifter, and I&Q output buffer amps. The device was specifically designed for DBS receivers and other digital communication systems. 16 OSC-C1 90 deg phase shifter 14 VCC(RF) 8 OSC-B1 13 GND(PS) VCC(IF-Q) 9 12 Q OUT VCC(PS) 10 11 Q OUT NEC's stringent quality assurance and test procedures ensure the highest reliability and performance. ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5 V, ZL = 1k Ω) PART NUMBER PACKAGE OUTLINE SYMBOLS PARAMETERS AND CONDITIONS UPC2781GR S20 (SSOP 20) UNITS MIN TYP MAX ICC Supply Current (no input signal) mA 52 70 88 fRF RF Input Bandwidth (fIF = 10 MHz, fRF > fLO, IQ Phase Balance < ± 1.5˚) MHz 440 480 520 fIF IF Output Bandwidth (fRF = 480 MHz, PLO = -10 dBm, fRF > fLO, VAGC = 0 V) MHz 0.3 CG Conversion Gain (fRF = 480 MHZ, fIF = 10 MHZ, VAGC = 0 V) dB 50 NF Noise Figure (fRF = 480 MHZ, fIF = 10 MHZ, PLO = -10 dBm, VAGC = 0 V) dB 18 IM3 3rd Order Intermodulation Distortion (fRF1 = 480 MHz, fRF2 = 481 MHz, fLO = 470 MHz, PLO = -10 dBm) dBc 35 20 ∆Φ IQ Phase Balance (fRF = 480 MHZ, fIF = 10 MHZ, PRF = -30 dBm, PLO = -10 dBm) deg -2 +2 ∆G IQ Amplitude Balance (fRF = 480 MHz, fIF = 10 MHZ, PRF = -30 dBm, PLO = -10 dBm, VAGC = 0 V) dB -0.5 +0.5 AGC Control Range (fRF = 480MHZ, PRF = -30dBm, fIF = 10MHZ, PLO = -10dBm, 0 ≤ VAGC ≤ 5 V) dB 15 LO-RF LO to RF Isolation (fLO = 470 MHZ, PLO = -10 dBm, PRF = -30 dBm, VAGC = 0 V) dB 30 LO-IF LO to IF Isolation (fLO = 470 MHZ, PLO = -10 dBm, PRF = -30 dBm, VAGC = 0 V) dB 20 GAGC PO (SAT) VO 20 Maximum Output Power (fRF = 480 MHz, fIF = 10 MHZ, PRF = -10 dBm) dBm 0 Output Voltage (fRF = 480 MHZ, fIF = 10 MHZ, PLO = -10 dBm, ZL = 1k Ω) VP-P 1.0 California Eastern Laboratories UPC2781GR ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C) SYMBOLS VCC PARAMETERS Supply Voltage Dissipation2 UNITS RATINGS V 6.0 SYMBOLS mW 500 VCC Supply Voltage V 4.75 5.0 5.25 TOP Operating Temperature °C -40 +25 +75 PD Power TOP Operating Temperature Range °C -40 to +75 Storage Temperature °C -55 to +150 TSTG RECOMMENDED OPERATING CONDITIONS PARAMETERS UNITS MIN TYP MAX Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. Mounted on a 50x50x1.6 mm epoxy glass PWB (TA = 75°C). PIN FUNCTIONS Pin No. Pin Name Pin Voltage Typ. (V) Function and Explanation 1 GND(IQ) 0.0 Ground pin of IF (IQ) block. 2 VCC (IF I) 5.0 Power supply pin of I-output. 3 VAGC 0.0 ~ 5.0 Gain control pin. • VAGC = 0 V : Full gain • VAGC = 5 V : Minimum gain Equivalent Circuit To next block 3 4 GND(RF) 0.0 Ground pin of RF, Mixer and regulator block. 5 RFIN 2.3 RF input pin. In case of single input, pin 6 should be bypassed with a capacitor. To next block 5 6 RFIN 6 2.3 Reg 7 GND(IQ) 0.0 Ground pin of IF (IQ) block. 8 VCC (RF) 5.0 Power supply pin of RF, Mixer and regulator block. 9 VCC (IFQ) 5.0 Power supply pin of Q-output. 10 VCC (PS) 5.0 Power supply pin of Phase Shifter block. UPC2781GR PIN FUNCTIONS Pin No. Pin Name Pin Voltage Typ. (V) Function and Explanation 11 Qout 2.4 Q-IF output pin. Pin 11 and pin 12 are balanced outputs. 12 Qout 2.4 Equivalent Circuit 11 12 13 GND (IFQ) 0.0 Ground pin of Phase Shifter block. 14 OSC-B1 3.0 Oscillator signal input pin. In case of single input, pin 17 should be bypassed with a capacitor. 15 OSC-C2 4.5 16 OSC-C1 4.5 16 15 17 14 17 OSC-B2 3.0 Oscillator signal input pin. In case of single input, pin 14 should be bypassed with a capacitor. 18 OSCOUT 3.8 Oscillator output. 19 IOUT 2.4 I-IF output pin. Pin 19 and pin 20 are balanced outputs. 20 20 Iout 2.4 19 UPC2781GR TEST CIRCUIT 0.1µF VCC VAGC 0.1µF 1k 0.1µF 1k 20 1 2 19 3 18 4 17 I OUT 1000pF RF IN 1000pF 90 deg phase shifter 5 1000pF 6 7 AGC AMP. 1000pF OSC OUT 16 15 14 8 13 9 12 10 11 1000pF OSC IN 1k 0.1µF 0.1µF 1k Q OUT UPC2781GR APPLICATION CIRCUIT 1000pF 0.1µF 1 20 2 19 3 18 4 17 VCC I OUT 1000pF VAGC I OUT 1000pF 2pF RF IN 90 deg phase shifter 5 1000pF 6 7 AGC AMP. 16 4-11pF 84nH 15 14 8 13 9 12 10 11 2pF or SAW Resonator 1000pF 1000pF Q OUT Q OUT OUTLINE DIMENSIONS (Units in mm) PACKAGE OUTLINE SSOP 20 20 11 N 1 7.00 MAX 10 6.4±0.2 4.4±0.1 1.0±0.1 1.5 ±0.1 +0.10 0.15- 0.05 1.8 MAX +0.10 0.22 - 0.05 0.5±0.2 0.65 0.575 MAX Lead Material: Alloy 42 Lead Plating: Lead Tin Alloy ORDERING INFORMATION PART NUMBER QUANTITY UPC2781GR-E1 2500/Reel Note: Embossed Tape, 12 mm wide. EXCLUSIVE NORTH AMERICAN AGENT FOR RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM PRINTED IN USA ON RECYCLED PAPER -6/97 DATA SUBJECT TO CHANGE WITHOUT NOTICE