DISCRETE SEMICONDUCTORS DATA SHEET BLV57 UHF linear push-pull power transistor Product specification Supersedes data of August 1986 1998 Feb 09 Philips Semiconductors Product specification UHF linear push-pull power transistor FEATURES BLV57 PINNING - SOT161A • internally matched input for wideband operation and high power gain PIN SYMBOL 1 e emitter 2 e emitter • increased input and output impedances (compared with single-ended transistors) simplify wideband matching 3 c2 collector 2 4 b2 base 2 • length of the external emitter leads is not critical 5 c1 collector 1 • diffused emitter ballasting resistors for an optimum temperature profile 6 b1 base 1 7 e emitter • gold metallization ensures excellent reliability. 8 e emitter • internal midpoint (r.f. ground) reduces negative feedback and improves power gain DESCRIPTION DESCRIPTION handbook, halfpage Two n-p-n silicon planar epitaxial transistor sections in one package to be used as push-pull amplifier, primarily intended for use in linear u.h.f. television transmitters and transposers. The package is an 8-lead flange type with a ceramic cap. All leads are isolated from the flange. 1 2 3 4 5 6 7 8 Top view MBC826 Fig.1 Simplified outline and symbol. QUICK REFERENCE DATA R.F. performance in linear amplifier fvision MHz VCE V IC1 = IC2 A IC(ZS) A Th °C dim(1) dB Po sync(1) W PL W class-A 860 25 0,85 − 70 25 −60 −55 〉 6 typ. 12 − class-AB 860 25 1,25 25 − − typ. 38(2) MODE OF OPERATION 2 × 0,1 Gp dB 〉 8,0 typ. 9,0 typ. 6,5(2) Notes 1. Three-tone test method (vision carrier −8 dB, sound carrier −7 dB, sideband signal −16 dB), zero dB corresponds to peak sync level. 2. Power gain compression is 1 dB. WARNING Product and environmental safety - toxic materials This product contains beryllium oxide. The product is entirely safe provided that the BeO disc is not damaged. All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety precautions. After use, dispose of as chemical or special waste according to the regulations applying at the location of the user. It must never be thrown out with the general or domestic waste. 1998 Feb 09 2 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Collector-emitter voltage (peak value); VBE = 0 vCESM max. open base VCEO max. 27 V VEBO max. 3,5 V d.c. or average IC; IC(AV) max. 2 A (peak value); f 〉 1 MHz ICM max. 4 A Ptot max. 77 W(1) R.F. power dissipation (f 〉 1 MHz); Tmb = 25 °C(1) Prf max. 93 W(1) Storage temperature Tstg −65 to + 150 °C Operating junction temperature Tj max. Emitter-base voltage (open collector) 50 V Collector current per transistor section Total power dissipation at Tmb = 25 °C(1) Note 1. Dissipation of either transistor section should not exceed half rated dissipation. MGP358 10 handbook, halfpage IC1 + IC2 (A) (1) Th = 70 °C 1 1 10 Tmb = 25 °C VCE (V) (1) Second breakdown limit (independent of temperature). Fig.2 D.C. SOAR.(1) 1998 Feb 09 3 102 200 °C Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP359 100 handbook, halfpage Ptot (W) 75 ΙΙ 50 Ι 25 0 0 50 Th (°C) 100 I Continuous d.c. (including r.f. class-A) operation II Continuous r.f. operation Dissipation of either transistor section should not exceed half rated dissipation. Fig.3 Power derating curves vs. temperature.(1) THERMAL RESISTANCE (dissipation = 42 W; Tmb = 80,5 °C, i.e. Th = 70 °C) From junction to mounting base (d.c. dissipation) Rth j−mb(dc) = 2,43 K/W From junction to mounting base (r.f. dissipation) Rth j−mb(rf) = 1,91 K/W From mounting base to heatsink Rth mb−h = 0,25 K/W 1998 Feb 09 4 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP360 3 handbook, full pagewidth Th = 120 °C 80 °C 100 °C 60 °C 40 °C 20 °C Rth j-h (K/W) 0 °C 2.5 Tj = 200 °C 175 °C 150 °C 125 °C 100 °C 2 75 °C 1.5 0 Fig.4 20 40 60 80 Ptot (W) 100 Maximum thermal resistance from junction to heatsink as a function of power dissipation, with heatsink and junction temperature as parameters. (Rth mb-h = 0,25 K/W.) Example Nominal class-A push-pull operation (without r.f. signal): VCE = 25 V; IC1 = IC2 = 0,85 A; Th = 70 °C. Fig.4 shows: Rth j-h max. Tj max. 184 °C typ. 2,28 K/W typ. 167 °C Typical device: Rth j-h Tj 1998 Feb 09 2,68 K/W 5 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 CHARACTERISTICS apply to either transistor section unless otherwise specified Tj = 25°C Collector-emitter breakdown voltage VBE = 0; IC = 10 mA V(BR)CES 〉 50 V open base; IC = 25 mA V(BR)CEO 〉 27 V V(BR)EBO 〉 3,5 V ICES 〈 10 mA open base ESBO 〉 2 mJ RBE = 10 Ω ESBR 〉 2 mJ hFE 〉 typ. Emitter-base breakdown voltage open collector; IE = 5 mA Collector cut-off current VBE = 0; VCE = 27 V Second breakdown energy; L = 25 mH; f = 50 Hz D.C. current gain(1) IC = 0,85 A; VCE = 25 V 15 40 D.C. current gain ratio of transistor sections IC = 0,85 A; VCE = 25 V Collector-emitter saturation 0,67 to 1,5 voltage(1) IC = 1,7 A; IB = 0,17 A VCEsat typ. −IE = 0,85 A; VCB = 25 V fT typ. 2,5 GHz −IE = 1,7 A; VCB = 25 V fT typ. 2,5 GHz Cc typ. 〈 24 pF 30 pF IC = 50 mA; VCE = 25 V Cre typ. 15 pF Collector-flange capacitance Ccf typ. 2 pF Transition frequency at f = 100 0,75 V MHz(2) Collector capacitance at f = 1 MHz IE = Ie = 0; VCB = 25 V Feedback capacitance at f = 1 MHz Notes 1. Measured under pulse conditions: tp ≤ 300 µs; δ ≤ 0,02. 2. Measured under pulse conditions: tp ≤ 50 µs; δ ≤ 0,01. The graphs apply to either transistor section. 1998 Feb 09 6 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP361 10 handbook, halfpage IC (A) Th = 70 °C 25 °C 1 1.5 1 10−1 10−2 0.5 VBE (V) 2 Fig.5 Typical values; VCE = 25 V. MGP362 60 handbook, halfpage hFE VCE = 25 V 40 5V 20 0 0 1 IC (A) Fig.6 Typical values; Tj = 25 °C. 1998 Feb 09 7 2 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP363 4 handbook, halfpage fT (GHz) 3 typ 2 1 0 0 1 2 −IE (A) 3 Fig.7 VCB = 25 V; f = 500 MHz; Tj = 25 °C. MGP364 100 handbook, halfpage Cc (pF) 75 50 typ 25 0 0 10 20 VCB (V) 30 Fig.8 IE = Ie = 0; f = 1 MHz; Tj = 25 °C. 1998 Feb 09 8 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 APPLICATION INFORMATION R.F. performance in u.h.f. class-A operation (linear push-pull power amplifier) fvision (MHz) VCE (V) 860 IC1 = IC2 (A) 25 Th (°C) dim (1) (dB) 70 −60 〉 6 〉 8,0 70 −60 typ. 7,5 typ. 8,5 70 −55 typ. 10 typ. 8,5 25 −55 typ. 12 typ. 9,0 0,85 Po sync (1) (W) Gp (dB) Note 1. Three-tone test method (vision carrier −8 dB, sound carrier −7 dB, sideband signal −16 dB), zero dB corresponds to peak sync level. h +VBB1 +VCC1 C14 C5 C11 C8 C15 T.U.T. L9 L5 L1 C2 L3 L10 L6 C20 L13 C22 C1 R1 C4 C6 C9 C13 C16 C19 C23 50 Ω 50 Ω L2 C3 L4 L7 L11 C21 L12 L8 C17 C12 C10 C7 C18 +VBB2 +VCC2 Fig.9 Class-A test circuit at fvision = 860 MHz. 1998 Feb 09 9 MGP365 L14 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 List of components: C1 = C6 = C16 = 4,7 pF (500 V) multilayer ceramic chip capacitor (ATC(1)) C2 = C3 = C20 = C21 = 33 pF multilayer ceramic chip capacitor (cat. no. 2222 851 13339) C4 = C9 = C13 = C19 = 1,2 to 3,5 pF film dielectric trimmer (cat.no. 2222 809 05001) C5 = C7 = C15 = C17 = 100 nF multilayer ceramic chip capacitor (cat. no. 2222 852 59104) C8 = C10 = C11 = C12 = 220 pF multilayer ceramic chip capacitor (cat. no. 2222 852 13221) C14 = C18 = 6,8 µF/40 V solid aluminium electrolytic capacitor C22 = C23 = 1 pF (500 V) multilayer ceramic chip capacitor (ATC(1)) C9 and C13 are placed 8,0 and 14,0 mm from transistor edge, respectively. L1 = L2 = L13 = L14 = 50 Ω semi-rigid cable; outer diameter 2,2 mm; length 29,0 mm. These cables are soldered on 75 Ω striplines (1,1 mm × 28,0 mm). The centre conductors of the cables L1 and L13 are not connected. L3 = L4 = 52 Ω stripline (2,0 mm × 16,5 mm) L5 = L8 = 470 nH microchoke L6 = L7 = 39 Ω stripline (3,1 mm × 8,0 mm) L9 = L12 = 1 turn Cu wire (1,0 mm); int. dia. 5,5 mm; leads 2 × 3,5 mm L10 = L11 = 39 Ω stripline (3,1 mm × 34,0 mm) L3, L4, L6, L7, L10 and L11 are striplines on a double Cu-clad printed-circuit board with PTFE fibre-glass dielectric (∈r = 2,74); thickness 1/32”. R1 = 10 Ω carbon resistor Note 1. ATC means American Technical Ceramics. 1998 Feb 09 10 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 73 11 64 handbook, full pagewidth 60 +VBB1 +VCC1 C14 C5 L1 L5 C2 C4 L3 C3 input L2 L6 L7 L4 L10 L11 L12 L8 C7 L9 C9 C6 C1 C11 C8 C20 C15 C22 C13 L10 C19 C16 L11 C17 C10 L13 R1 C23 C21 L14 output C12 C18 MGP366 +VBB2 +VCC2 Fig.10 Component layout and printed-circuit board for 860 MHz class-A test circuit. The circuit and the components are on one side of the PTFE fibre-glass board, the other side is unetched copper to serve as a ground-plane. Earth connections are made by means of bolts. Additionally copper straps are used under the emitters and at the input and output to provide direct contact between the copper on the component side and the ground-plane. 1998 Feb 09 11 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP367 −50 handbook, halfpage 10 Gp dim (dB) Gp (dB) −60 5 dim −70 0 5 10 15 Po sync (W) 20 Fig.11 Intermodulation distortion (dim)(1) and power gain as a function of output power. MGP368 30 handbook, halfpage dcm (%) 20 10 0 0 10 Po sync (W) 20 Fig.12 Cross-modulation distortion (dcm)(2) as a function of output power. 1998 Feb 09 12 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 Conditions for Figs 11and 12: Typical values; VCE = 25 V; IC = 2 × 0,85 A; − − − Th = 25 °C; Th = 70 °C; fvision = 860 MHz. Ruggedness in push-pull class-A operation The BLV57 is capable of withstanding full load mismatch (VSWR = 50 through all phases) under the following conditions: VCE = 25 V; IC = 2 × 0,85 A; Th = 70 °C; Po sync(1) ≤ 12,5 W; f = 860 MHz; Rth mb-h = 0,25 K/W. At any other composition of the output signal: PL (r.m.s. value) ≤ 5 W. Notes 1. Three-tone test method (vision carrier −8 dB, sound carrier −7 dB, sideband signal −16 dB), zero dB corresponds to peak sync level. Intermodulation distortion of input signal ≤ −70 dB. 2. Two-tone test method (vision carrier 0 dB, sound carrier −7 dB), zero dB corresponds to peak sync level. Cross-modulation distortion (dcm) is the voltage variation (%) of sound carrier when vision carrier is switched from 0 dB to −20 dB. MGP369 6 handbook, halfpage ri, xi (Ω) xi 4 2 ri 0 400 650 f (MHz) 900 Fig.13 Input impedance (series components). 1998 Feb 09 13 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP370 15 handbook, halfpage RL, XL (Ω) 10 RL 5 XL 0 400 650 f (MHz) 900 Fig.14 Load impedance (series components). MGP371 15 handbook, halfpage Gp (dB) 10 5 0 400 650 Fig.15 1998 Feb 09 14 f (MHz) 900 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 Conditions for Figs 13, 14 and 15: The graphs apply to either transistor section assuming class-A push-pull operation. Typical values; VCE = 25 V; IC = 0,85 A; Th = 70 °C. APPLICATION INFORMATION R.F. performance in u.h.f. class-AB operation (c.w.) fvision (MHz) VCE (V) IC(ZS) (A) Th (°C) 860 25 2 × 0,1 25 860 25 2 × 0,1 70 PL (W) IC1 = IC2 (A) η (%) 12,5 Gp(1) (dB) typ. 7,5 38 typ. 1,25 typ. 60 12,5 typ. 6,5 typ. 7,0 30 typ. 1,10 typ. 55 typ. 6,0 Note 1. Typical values are based on 1 dB gain compression. Using a 3rd order amplitude transfer characteristic, 1 dB compression corresponds with 30% sync input/25% sync output compression in television service (negative modulation, C.C.I.R. system). width +VBB1 +VCC1 C8 C11 C5 C14 T.U.T. L9 L5 L1 C2 L3 L10 L6 C18 L13 C20 C1 R1 C4 C6 C9 C13 C15 C17 C21 50 Ω 50 Ω L2 C3 L4 L7 C19 L11 L12 L8 C16 C7 C12 C10 +VBB2 +VCC2 MGP372 Fig.16 Class-AB test circuit at fvision = 860 MHz. 1998 Feb 09 15 L14 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 List of components: C1 = C6 = C15 = 4,7 pF (500 V) multilayer ceramic chip capacitor (ATC(1)) C2 = C3 = C18 = C19 = 33 pF multilayer ceramic chip capacitor (cat. no. 2222 851 13339) C4 = C9 = C13 = C17 = 1,2 to 3,5 pF film dielectric trimmer (cat. no. 2222 809 05001) C5 = C7 = C14 = C16 = 100 nF multilayer ceramic chip capacitor (cat. no. 2222 852 59104) C8 = C10 = C11 = C12 = 220 pF multilayer ceramic chip capacitor (cat. no. 2222 852 13221) C20 = C21 = 1 pF (500 V) multilayer ceramic chip capacitor (ATC(1)) C9 and C13 are placed 8,0 and 14,0 mm from transistor edge, respectively. L1 = L2 = L13 = L14 = 50 Ω semi-rigid cable; outer diameter 2,2 mm; length 29,0 mm. These cables are soldered on 75 Ω striplines (1,1 mm × 28,0 mm). The centre conductors of the cables L1 and L13 are not connected. L3 = L4 = 52 Ω stripline (2,0 mm × 16,5 mm) L5 = L8 = 470 nH microchoke L6 = L7 = 39 Ω stripline (3,1 mm × 8,0 mm) L9 = L12 = 1 turn Cu wire (1,0 mm); int. dia. 5,5 mm; leads 2 × 3,5 mm L10 = L11 = 39 Ω stripline (3,1 mm × 34,0 mm) L3, L4, L6, L7, L10 and L11 are striplines on a double Cu-clad printed-circuit board with PTFE fibre-glass dielectric (∈r = 2,74); thickness 1/32” R1 = 10 Ω carbon resistor. Note 1. ATC means American Technical Ceramics. 1998 Feb 09 16 Philips Semiconductors Product specification UHF linear push-pull power transistor 73 11 64 handbook, full pagewidth BLV57 60 +VBB1 C5 L1 L5 C2 C4 L3 C3 input C11 C8 C14 L6 L7 L4 L10 L11 L12 L8 C13 L10 C17 C15 L11 C10 C20 R1 C21 C19 C16 C7 L13 C18 L9 C9 C6 C1 L2 +VCC1 L14 output C12 MGP373 +VBB2 +VCC2 Fig.17 Component layout and printed-circuit board for 860 MHz class-AB test circuit. The circuit and the components are on one side of the PTFE fibre-glass board, the other side is unetched copper to serve as a ground-plane. Earth connections are made by means of bolts. Additionally copper straps are used under the emitters and at the input and output to provide direct contact between the copper on the component side and the ground-plane. 1998 Feb 09 17 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP374 60 handbook, halfpage PL (W) 40 Th = 25 °C 70 °C 20 0 0 5 PS (W) 10 Fig.18 Typical values; VCE = 25 V; IC(ZS) = 2 × 0,1 A; fvision = 860 MHz. MGP375 7.5 75 handbook, halfpage Gp Gp η (%) (dB) 5 50 η 2.5 25 0 0 0 20 PL (W) 40 Fig.19 Typical values; VCE = 25 V; IC(ZS) = 2 × 0,1 A; − − − Th = 25 °C; Th = 70°C; fvision = 860 MHz. 1998 Feb 09 18 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 Ruggedness in class-AB operation The BLV57 is capable of withstanding a load mismatch (VSWR ≤ 2 through all phases) up to 30 W (r.m.s. value) or (VSWR ≤ 50 through all phases) up to 19 W under the following conditions: VCE = 25 V; Th = 70 °C; f = 860 MHz; Rth mb-h = 0,25 K/W. MGP376 6 handbook, halfpage ri, xi (Ω) xi 4 2 ri 0 400 650 f (MHz) 900 Fig.20 Input impedance (series components). 1998 Feb 09 19 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 MGP377 15 handbook, halfpage RL, XL (Ω) 10 RL 5 XL 0 400 650 f (MHz) 900 Fig.21 Load impedance (series components). MGP378 15 handbook, halfpage Gp (dB) 10 5 0 400 650 f (MHz) 900 Fig.22 Conditions for Figs 20; 21 and 22: The graphs apply to either transistor section assuming class-AB push-pull operation. Typical values; VCE = 25 V; IC(ZS) = 0,1 A; PL = 17,5 W (P.E.P); Th = 70 °C. 1998 Feb 09 20 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 PACKAGE OUTLINE Flanged ceramic package; 2 mounting holes; 8 leads SOT161A D A F U1 B q C w2 M C H1 b1 7 H 5 c 3 1 E U2 8 A 6 4 2 Q w3 M b e1 w1 M A B p e 0 5 10 mm scale DIMENSIONS (millimetre dimensions are derived from the original inch dimensions) UNIT A b b1 mm 7.27 6.47 2.04 1.77 2.93 2.66 inches c D w2 w3 4.32 24.97 10.34 18.42 0.51 4.06 24.71 10.08 1.02 0.26 0.286 0.080 0.115 0.007 0.402 0.402 0.106 0.669 0.505 0.132 0.170 0.983 0.407 0.138 0.150 0.725 0.02 0.255 0.070 0.105 0.004 0.394 0.394 0.082 0.630 0.495 0.120 0.160 0.973 0.397 0.04 0.01 OUTLINE VERSION E e e1 0.18 10.22 10.22 3.50 0.10 10.00 10.00 3.80 F H JEDEC EIAJ SOT161A 1998 Feb 09 p 2.70 17.00 12.83 3.36 2.08 16.00 12.57 2.92 REFERENCES IEC H1 Q q U1 U2 w1 EUROPEAN PROJECTION ISSUE DATE 97-06-28 21 Philips Semiconductors Product specification UHF linear push-pull power transistor BLV57 DEFINITIONS Data Sheet Status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1998 Feb 09 22 Philips Semiconductors Product specification UHF linear push-pull power transistor NOTES 1998 Feb 09 23 BLV57 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 125108/00/02/pp24 Date of release: 1998 Feb 09 Document order number: 9397 750 03285