SP3 RFSOLUTIONS | Alldatasheet
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Technical content
“ Balanced input microphone preamplifier with tone controls us ae ae eet ae Coes eee ey | General description Bree oxen ta 3 ON ie The SP3 is a high performance balanced input eit ss ____}|_ microphone preamplifier with treble, bass and middle ae e\\\\S> | Ledariver integrated (peak signal). Features Applications « Few external components + Audio Mixer + Auxiliary line input + Hi-Fi Systems + Output for gain control * Karaoke Systems + SIL Package + Theatre and P. A, Equipments ¢ Thick film hybrid technology | BLOCK DIAGRAM _ ; — ; ; : +Voc -_ S| Tonecontro =. [# GND Pee and oa ie 121 a i Ee AMP Fee he mbo| | 18) | PL | 5 | GN 15|BS1 16/BS2 17}BS3 6|TR1 7|TR2 8|TR3 14/MD1 10|MD2 19 | HC
Electrical Characteristics Ta = 26°C unless otherwise specified Veo Supply Voltage +9 212 £18 VDC Ts; Tone control +16 dB Vv, AF input signal 250 mVRMS ES Line Input +0 dB Tos Operating Temperature Range -20 +80 °c Pin Description Mechanical Dimensions
1 GND ~~ Ground
2 ALN Auxiliary Line Input
5 GN Gain Control I peseilu: —
6 TR1 Treble SERED ERATE SIRT OST CE SRS
7 TR2 Treble f
8 TR3 Treble .
9 MBO Middle Output Components Side | ‘820m
10 MD2 Middle 1
1 GND — Ground 4 cetis AL RARE. ek 12 -VCC Negative supply voltage if T ] if | if ] ] ] ani ] IT 13 +VCC Positive supply voltage 14 MD1 Middle + 2.54mm
15 BS1 Bass
16 BS2 Bass
17 BS3 Bass
18 PL Peak Led
19 HC Hold Capacitor
+o - Voc | 22uF a ee : | w uw 2 \\ | -IN o—-|| 2 9 | * | BALANCED : 1 2.2uF Led | | INPUT GND SP3 ae é Peak i = 22uF i AUX Line Input o 208 6 7 8 r au 2 | Zo Zo Zo ° | Gain Bass Treble Middle Master Output Control Control Control Control 100K i Component typical values R. F. Solutions Ltd., & Unit 21, Cliffe Industrial Estate, South Street, Lewes, E Sussex, BN8 6JL. England. Tel +44 (0)1273 898 000. Fax +44 (0)1273 480 661. RF Solutions is a member of the Low Power Radio Association.