900 MHz SILICON UPC1687GV RFIC DOWN CONVERTER BLOCK DIAGRAM FEATURES • WIDE-BAND OPERATION: DC to 900 MHz • SMALL PACKAGE 8 7 6 5 • DOUBLE BALANCED MIXER: Low Distortion Low Oscillator Radiation IF Main Amp. • BALANCED AMPLIFIER FOR VOLTAGE CONTROLLED OSCILLATORS: Up to UHF Frequency IF Pre Amp. • SINGLE ENDED PUSH-PULL IF AMPLIFIER: Constant Resistive Impedance • SWITCHABLE AS MIXER OR IF AMP OSC Buffer OSC MIX REG. DESCRIPTION 1 2 3 4 The UPC1687GV is a silicon RFIC designed as a wide-band mixer/oscillator/IF amp suitable for UHF TV tuners. Device features include: 25 dB gain from 55 to 900 MHz and an output power of +10 dBm at the saturation point. The IC is housed in an 8 pin SSOP package. ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5 V) PART NUMBER PACKAGE OUTLINE SYMBOLS PARAMETERS AND CONDITIONS UPC1687GV S08 TEST UNITS MIN TYP MAX CIRCUIT ICC Circuit Current, no input signal mA 25 38 48 Fig. 1 CG Conversion Gain (RF Input Terminal is not tuned) at IF = 50 MHz, PRF = -40 dBm, POSC = -5 dBm RF = 500 MHz RF = 900 MHz dB dB 22 20 26 24 29 27 Fig. 1 Fig. 1 Noise Figure at IF = 50 MHz, POSC = -5 dBm RF = 500 MHz RF = 900 MHz dB dB — — 9 10 12 13 Fig. 1 Fig. 1 1% Cross Modulation Distortion1 RF = 500 MHz RF = 900 MHz dBµ dBµ — — 88 89 — — Fig. 1 Fig. 1 PSAT Output Power (Saturation Point) dBm — +10 — Fig. 1 fSTB Oscillator Frequency Stability at VCC ± 10% OSC f = 550 to 950 MHz kHz — ±200 — Fig. 2 VOSC VCC at OSC Start OSC f = 550 to 950 MHz — 3.0 — Fig. 2 — — 1.5 Fig. 1 NF CM VSWR IF Output V Note: 1. Undesired = Desired ± 12 MHz, 100 kHz, 30% AM Mod, S/I Ratio = 46 dBc. California Eastern Laboratories UPC1687GV ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C) SYMBOLS PARAMETERS Supply Voltage VCC Dissipation2 UNITS RATINGS V 6 PT Total Power mW 250 TOP Operating Temperature °C -40 to +85 TSTG Storage Temperature °C -65 to +150 Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. TA = 85°C mounted on 50 x 50 x 1.6 (mm) PWB (glass-epoxy). ELECTRICAL CHARACTERISTICS (TA = 25°C) PART NUMBER PACKAGE OUTLINE SYMBOLS Gs PARAMETERS AND CONDITIONS Small Signal Gain of IF amplifier at f = 50 MHz UPC1687GV S08 TEST UNITS dB TYP 29 CIRCUIT Fig. 3 NF Noise Figure of IF amplifier at f = 50 MHz dB 7 Fig. 3 CM 1% Cross Modulation of IF amplifier (100 kHz, 30% AM Mod, S/I Ratio = 46 dBc) Desired = 50 MHz Undesired = 62 MHz dBµ 87 Fig. 3 TYPICAL PERFORMANCE CURVES (TA = 25°C) CONVERSION GAIN vs. FREQUENCY (RF Input Tuned) CONVERSION GAIN AND NOISE FIGURE vs. FREQUENCY (RF Input Not Tuned) 16 14 20 12 15 10 NF 8 10 5 6 Conditions; Vcc = 5 V, PRF = -40 dBm IF = 50 MHz 0 500 1000 30 Conversion Gain, CG (dB) 25 Noise Figure, NF (dB) Conversion Gain, CG (dB) CG 25 20 15 10 Vcc = 5 V, PRF = -40 dBm, fIF = 50 MHz 5 55 1200 RF Input Frequency, fRF (MHz) 200 500 900 RF Input Frequency, fRF (MHz) 1% CROSS MODULATION vs. FREQUENCY OSC-FREQUENCY STABILITY vs. FREQUENCY 100 +300 90 OSC Stability, f (kHz) 1% Cross Modulation, CM (dB) VCC = 5 V 80 Conditions; Vcc = 5 V IF = 50 MHz Undesired Signal; Desired Signal ± 12 MHz 100 kHz 30% AM Mod S/I Ratio = 46 dBc Measured 75 ohm open terminal 70 60 -10% 0 +10% -300 0 500 1000 Frequency (RF Input), f (MHz) 1200 0 500 1000 Frequency (OSC), f (MHz) 1200 UPC1687GV TYPICAL PERFORMANCE CURVES (TA = 25°C) OUTPUT POWER AND INTERMODULATION DISTORTION vs. INPUT POWER Output Power (IF), POUT (dBm) CIRCUIT CURRENT vs. SUPPLY VOLTAGE Circuit Current, ICC (mA) 50 40 30 20 10 +20 POUT 0 IM 3 -20 VCC = 5 V RF = 500 MHz IF = 50 MHz -40 0 1 2 3 4 5 6 Supply Voltage, VCC (V) -40 -20 0 +20 Input Power (RF), PIN (dBm) Each Tone PIN DESCRIPTION Pin No. Pin Name 1 OSC Base (bypass) 2 OSC Base (feedback) 3 OSC Collector (Coupling) 4 VCC 5 IF Output Internal Equivalent Circuit Description Input pins for the internal oscillator which consists of a balanced amplifier. Pin 1 should be bypassed to ground through a capacitor. Pins 2 and 3 should be externally equipped with a tank resonator. Note that pin 3 is an open collector and must be supplied voltage through an external resistor or choke coil. VCC 3 1 2 to OSC Buffer Amp VREF Supply voltage pin. This pin should be externally equipped with a bypass capacitor to minimize ground impedance. VCC IF output pin from the single-ended push-pull amplifier. This pin is an emitter follower output with a constant resistive impedance of 50 Ω. from IF Pre amp 5 IF Output 6 GND Ground pin. This pin must be connected to system ground. Form ground pattern as wide as possible to minimize ground impedance. VCC 7 8 RF Input 1 (bypass) RF Input 2 RF input pins. Pins 7 and 8 are each base inputs to a double balanced mixer. Either pin can be assigned as the input. The unused pin should be bypassed to ground through a capacitor. to IF Amp from OSC Buffer RF Inputs UPC1687GV TEST CIRCUITS Figure 1 47 Ω 150 nH OSC Input 5 pF 1000 pF VCC 1000 pF 4 3 5 6 1000 pF 2 1 7 8 4 pF IF Output RF Input 1000 pF 1000 pF Figure 2 47 KΩ ZO = 200 ohms 47 Ω 150 µH VCC 4 pF 10 pF 4 pF 1SV164 BT (0. to 29V) = 20 mm 0.5 pF 5 pF 1000 pF 4 3 5 6 1000 pF 2 1 7 8 4 pF IF Output 330 pF RF Input 1000 pF Figure 3 VCC 5 pF 1000 pF 1000 pF IF Output 4 3 5 6 2 1 7 8 4 pF IF Input 1000 pF 1000 pF UPC1687GV APPLICATION BLOCK DIAGRAM FOR T.V. TUNER U-OSC RES. UPC1687 RF Amp B.P.F. B.P.F. U-MIX U-OSC UHF RF Input IF AMP V-OSC RES. RF Amp B.P.F. B.P.F. V-MIX V-OSC VHF RF Input IF AMP UPC1686 IF Output OUTLINE DIMENSIONS (Units in mm) UPC1687GV PACKAGE OUTLINE S08 7 8 6 ORDERING INFORMATION 5 PART NUMBER QUANTITY UPC1687GV-E1 1000/REEL Note: Embossed Tape, 8 mm wide. Pin 1 indicates pull-out direction of tape. Detail of Lead End N 1 2 3 3.0 MAX +7˚ 4 3 -3˚ 4.94 ± 0.2 +0.10 0.15 -0.05 1.5±0.1 0.87±0.2 3.2±0.1 1.8 MAX 0.1 ± 0.1 0.65 +0.10 0.3 -0.05 0.5 ± 0.2 0.575 MAX Note: All dimensions are typical unless otherwise specified. PIN CONNECTION 1. OSC-Base (Bypass) 2. OSC-Base (Feedback) 3. OSC-Collector (Coupling) 4. VCC 5. 6. 7. 8. IF OUT GND RF IN1 (Bypass) RF IN2 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 6/99 DATA SUBJECT TO CHANGE WITHOUT NOTICE