BOM AND SCHEMATICS

FCC ID: OHYRFRM

Parts List/Tune Up Info

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FCCID_29092

RF99 Wireless Thermometer Feb 23, 1999 Revision: 05 RECEIVER Component List Quantity Part Description Rx - Mechanical:____________________________________________________________________________ | See Mechanical Receiver Component Lists |____________________________________________________________________________________________ Rx - Circuit Boards:__________________________________________________________________________ | 1 Digital board, double sided FR4, 1.0 mm thick, 0.5 -1.0 ounce copper (62 x 80 mm) | 1 RF board, double sided FR4, 1.0 mm thick, must be 1.0 ounce copper (26.2 x 41.7 mm) |____________________________________________________________________________________________ Rx - Electro-Mechanical:______________________________________________________________________ | 1 LCD glass panel (66 x 70 mm glass size) | 1 Piezo beeper plate (PZ-1) | 7 Metal snap domes for keys, 185 gm normal force (SW1, SW2, SW3, SW4, SW5, SW6, SW7) | 1 LCD elastomeric connector (approx 75mm long) | 1+1+2 Battery contacts for 3 AA cells (+ve, -ve, 3 jumpers) plus two wires to digital board | 1 3 wire ribbon cable connecting RF board to digital board | 13 Screws for assembly |____________________________________________________________________________________________ Rx - Digital Board Electrical:_____________________________________________________________________ | 1 MSM64164C 3 volt, CMOS microcontroller (1C1) | 1 S80233P(Seiko) 3.3V regulator (1C2) | 1 32768 Hz quartz watch crystal (X1) | 1 MMBT3904LT1 NPN transistor, thru hole or SMT (Q2) | 1 608 KHz Ceramic resonator (murata) (X2) | 4 MMBT3906LT1 PNP transistor, thru hole or SMT (Q1, Q3, Q4, Q5) | 1 Korean supplied thermistor, equivalent to 103AT-2B thermistor(TH-1) | 1 1 K-ohm 1% resistor, SMT or thru hole (R3) | 1 10 K-ohm 1% resistor, SMT or thru hole (R4) | 3 47 K-ohm 5% resistor, SMT (R2, R6, R12) | 1 1 K-ohm 5% resistor, SMT or thru hole (R9) | 1 470 ohm 5% resistor, SMT (R7) | 1 22 microfarad, minimum 16 volt, aluminum electrolytic capacitor, radial lead (C1) | 5 0.1 microfarad, minimum 16 volt, ceramic capacitor, SMT (C3,C4,C5,C6,C7) | 1 0.02 microfarad, minimum 16 volt, ceramic capacitor, SMT (C8) | 1 3300 picofarad NPO or COG ceramic capacitor, SMT (C2) | 2 1 microhenry inductor, axial lead RF choke (L1, L2) | 1 1.5 millihenry inductor, radial lead RF choke (L3) | 1 LED, red (for Brookstone only) | 1 LED, green backlight (for Brookstone only) | 1 Do not Install (R10, R11, R13, C10) | 1 IN4001 Diode (D1) | 1 22 ohm 1watt resistor (R14) |____________________________________________________________________________________________ FCC APPROVAL BOM

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RF99 Wireless Thermometer Feb 23, 1999 Revision: 05 RECEIVER Component List (cont’d) Quantity Part Description Rx - RF Board:________________________________________________________________________________ | 1 OP AMP - dual, TLC27M7CD U1 | 1 32-41 nH Variable Inductor shielded 5mm, CoilCraft 164-03A06S L1 | 1 8.5 turn, air wound inductor L2 (Fig Rx-RF1) | 1 1 uH inductor, 1008, 10%, (Matsuta as supplied Saitek SMT sample) L3 | 2 BFS17 NPN RF transistor Q1, Q2 | 2 22 microfarad, minimum 10 volt, aluminum electrolytic capacitor, radial lead C1, C3 | | 1 1.2 picofarad, 0805, +/-0.25p NPO ceramic capacitor C9 | 1 1.8 picofarad, 0805, +/-0.25p NPO ceramic capacitor C12 | 1 6.8 picofarad, 0805, +/-0.25p NPO ceramic capacitor C11 | 1 12 picofarad, 0805, 5% 50V NPO, capacitor C6 | 1 39 picofarad, 0805, 5% 50V NPO, capacitor C8 | 1 330 picofarad, 0805, 5% 50V NPO, capacitor C13 | 3 470 picofarad, 0805, 5% 50V NPO, capacitor C4,C5,C7 | 1 10 nanofarad, 0805, 10% 50V X7R, capacitor C2 | 1 22 nanofarad, 0805, 10% 50V X7R, capacitor C16 | 3 100 nanofarad, 0805, 10% 50V Z5U, capacitor C10,C14,C15 | | 2 150 ohm 5% resistor, 0805, 1/10th watt R1, R3 | 1 470 ohm 5% resistor, 0805, 1/10th watt R7 | 4 4.7 K-ohm 5% resistor, 0805, 1/10th watt R4, R12, R14, R19 | 3 10 K-ohm 5% resistor, 0805, 1/10th watt R5, R15, R16 | 1 18 K-ohm 5% resistor, 0805, 1/10th watt R10 | 2 22 K-ohm 5% resistor, 0805, 1/10th watt R13, R17 | 1 27 K-ohm 5% resistor, 0805, 1/10th watt R6 (subject to change between 22K to 33K) | 1 100 K-ohm 5% resistor, 0805, 1/10th watt R2 | 1 150 K-ohm 5% resistor, 0805, 1/10th watt R8 | 1 390 K-ohm 5% resistor, 0805, 1/10th watt R11 | 2 2.2 Meg-ohm 5% resistor, 0805, 1/10th watt R9, R18 | | 1 Antenna Wire, enamel coated, close wound, slides over a 2.1mm diam plastic core (Figure RF-Rx-50) |____________________________________________________________________________________________ FCC APPROVED BOM

K S mm \RK ETS H EA D W A T WORL Revision FOR A _| B | C D REVY DESCRIPTION DATE APPD PROODDULUCTCTS ENV R1 150 Ayyy P1 C2 RZ2 < # 1On i BBK~ 22u & > GND :‘K"? c6 g § l_ e ~4—+L> +3.3V__IN tC 12p TPj ——f————MA—————3 > * nasT » RX_DATA 1._l._3s Al t k RS c7 2 l4 “‘J, 123}(3 o. n47 Co I I 1 ++ 399,: . J C1 F20 J’? 0:19 < 5 6p8 rg Tp4 TP3 o—— I 2M2 9 l A @1 > "m11 R12 < onA /A ennermmomrmemzac m ow U1:B » o13 arsi7 390K TLC27M2BC 4K7 > 330p| M R1i6 TP7 c14 <— 10K u1 5 v I£ & 4 m cis R17 R1i8 C16 U1 :A w1 22K 2M2 22n TLC2Z7M2BC \———1 M cTP8 RF99 Wireless Thermometer NOTES: 1. P1 is optional 1X3 squore pin hegder, 0.1" pitch, 9.025" square pins. 2. See HWRX@2.BO0M for further component information. Tt /C RF THERMO. RCVR. SCHEMATIC feuaraiers Si Numbe R B I " . 110549 ];’ Y 13 B.0‘C. Filengme HWRXO2.5D4 ls_m____q____h To T A | B L C | D Feb 23, 1999


Document Created: 2001-07-01 17:29:37
Document Modified: 2001-07-01 17:29:37
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