Philips SA615 Datasheet Download

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Philips Semiconductors

Product specification

SA615

High performance low power mixer FM IF system

1997 Nov 07

RSSI

OSCILLATOR

LIMITER

IF AMP

MUTE

RSSI

OUTPUT

AUDIO UNMUTED

AUDIO

C14

IFT1

C13

C12

C11

C10

R10

R11

VCC

C18

C15

C17

FLT2

C23

C21

R17

5.1k

FLT1

C25

QUAD

DETECTOR

MUTE

SWITCH

MIXER

700

Application Component List

45MHz

INPUT

22pF NPO Ceramic
1nF Ceramic
10.0pF NPO Ceramic

10pF NPO Ceramic

100nF +10% Monolithic Ceramic

100nF +10% Monolithic Ceramic
100nF +10% Monolithic Ceramic

15nF +10% Ceramic

100nF +10% Monolithic Ceramic

150pF +2% N1500 Ceramic

100nF +10% Monolithic Ceramic

6.8

F Tantalum (minimum) *

C21
C23
C25

Flt 1
Flt 2

IFT 1

L1
L2

R17
R10

R11

100nF +10% Monolithic Ceramic
100nF +10% Monolithic Ceramic

100k +1% 1/4W Metal Film (optional)

5.1k +5% 1/4W Carbon Composition

100k +1% 1/4W Metal Film

44.545MHz Crystal ICM4712701

0.8

H TOKO 292CNS–T1038Z

Ceramic Filter Murata SFG455A3 or equiv

100nF +10% Monolithic Ceramic

C1
C2
C5
C6
C7
C8
C9

C10

C11

C12
C13
C14
C15
C17
C18

47pF NPO Ceramic
180pF NPO Ceramic

C26

390pF +10% Monolithic Ceramic

455kHz 270

H TOKO #303LN-1129

300nH TOKO #5CB-1055Z

C26

NE/SA615N

*NOTE: This value can be reduced when a battery is the power source.

SR00344

Figure 4. SA615 45MHz Application Circuit

Summary of Contents for SA615

Page 1: ... SA615 High performance low power mixer FM IF system Product specification Replaces data of 1992 Nov 03 IC17 Data Handbook 1997 Nov 07 INTEGRATED CIRCUITS ...

Page 2: ... typical at 6V Mixer input to 500MHz Mixer conversion power gain of 13dB at 45MHz Mixer noise figure of 4 6dB at 45MHz XTAL oscillator effective to 150MHz L C oscillator to 1GHz local oscillator can be injected 102dB of IF Amp Limiter gain 25MHz limiter small signal bandwidth Temperature compensated logarithmic Received Signal Strength Indicator RSSI with a dynamic range in excess of 90dB Two audi...

Page 3: ... PARAMETER RATING UNITS VCC Single supply voltage 9 V TSTG Storage temperature range 65 to 150 C TA Operating ambient temperature range SA615 40 to 85 C θJA Thermal impedance D package N package SSOP package 90 75 117 C W DC ELECTRICAL CHARACTERISTICS VCC 6V TA 25 C unless otherwise stated LIMITS SYMBOL PARAMETER TEST CONDITIONS SA615 UNITS MIN TYP MAX VCC Power supply voltage range 4 5 8 0 V ICC ...

Page 4: ...ngle ended input 3 0 4 7 kΩ RF input capacitance 3 5 4 0 pF Mixer output resistance Pin 20 1 25 1 50 kΩ IF section IF amp gain 50Ω source 39 7 dB Limiter gain 50Ω source 62 5 dB Input limiting 3dB R17 5 1k Test at Pin 18 109 dBm AM rejection 80 AM 1kHz 25 33 43 dB Audio level R10 100k 15nF de emphasis 60 150 260 mVRM S Unmuted audio level R11 100k 150pF de emphasis 530 mV SINAD sensitivity RF leve...

Page 5: ...With most 455kHz ceramic filters and many crystal filters no impedance matching network is necessary To achieve optimum linearity of the log signal strength indicator there must be a 12dB v insertion loss between the first and second IF stages If the IF filter or interstage network does not cause 12dB v insertion loss a fixed or variable resistor can be added between the first IF output Pin 16 and...

Page 6: ...0nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 15nF 10 Ceramic 100nF 10 Monolithic Ceramic 150pF 2 N1500 Ceramic 100nF 10 Monolithic Ceramic 6 8µF Tantalum minimum C21 C23 C25 Flt 1 Flt 2 IFT 1 L1 L2 X1 R9 R17 R10 R11 100nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 100k 1 1 4W Metal Film optional 100k 1 1 4W Metal Film optional 5 1k 5 1 4W Carbon Composition 100k 1 1 4W Metal Film 4...

Page 7: ...F 10 Ceramic 100nF 10 Monolithic Ceramic 150pF 2 N1500 Ceramic 100nF 10 Monolithic Ceramic 6 8µF Tantalum minimum C21 C23 C25 Flt 1 Flt 2 IFT 1 L1 L2 X1 R9 R17 R10 R11 100nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 100k 1 1 4W Metal Film optional 100k 1 1 4W Metal Film optional 5 1k 5 1 4W Carbon Composition 100k 1 1 4W Metal Film 44 545MHz Crystal ICM4712701 0 8µH TOKO 292CNS T1038Z Cera...

Page 8: ...ters 4 Sensitivity The measured typical sensitivity for 12dB SINAD should be 0 22µV or 120dBm at the RF input 5 Layout The layout is very critical in the performance of the receiver We highly recommend our demo board layout 6 RSSI The smallest RSSI voltage i e when no RF input is present and the input is terminated is a measure of the quality of the layout and design If the lowest RSSI voltage is ...

Page 9: ...r mixer FM IF system 1997 Nov 07 9 20 0 20 40 60 80 100 5 4 3 2 1 0 130 110 90 70 50 30 10 10 AUDIO REF 174mVRMS AM 80 NOISE RSSI Volts RELATIVE TO AUDIO OUTPUT dB RF INPUT LEVEL dBm RF 45MHz IF 455kHz VCC 6V RSSI Volts THD NOISE SR00346 Figure 6 SA615 Application Board at 25 C ...

Page 10: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 10 DIP20 plastic dual in line package 20 leads 300 mil SOT146 1 ...

Page 11: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 11 SO14 plastic small outline package 14 leads body width 3 9 mm SOT108 1 ...

Page 12: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 12 SSOP20 plastic shrink small outline package 20 leads body width 4 4 mm SOT266 1 ...

Page 13: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 13 NOTES ...

Page 14: ...ght to make changes Philips Semiconductors reserves the right to make changes without notice in the products including circuits standard cells and or software described or contained herein in order to improve design and or performance Philips Semiconductors assumes no responsibility or liability for the use of any of these products conveys no license or title under any patent copyright or mask wor...

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