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Teilenummer | GS3015 |
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Beschreibung | Preamp Hybrid | |
Hersteller | Gennum Corporation | |
Logo | ||
Gesamt 5 Seiten www.DataSheet4U.com
FEATURES
• Gennum's GL504 preamp
• mounts on back of Microtronic PJ88S VC Socket
• low external parts count
• designed to drive Class D integrated receivers
• adjustable peak clipper
• low current drain (150 µA) typical
• low noise and distortion
STANDARD PACKAGING
• Hybrid Typical Dimensions
0.192 in x 0.194 in x 0.113 in
(4.88 mm x 4.93 mm x 2.85 mm)
V.C. Preamp Hybrid
for Class D
GS3015 - HYB DATA SHEET
DESCRIPTION
The GS3015 incorporates Gennum's GL504 preamp, three of
the required capacitors and a mid supply referencing 48K
resistor. All that is required for a fully functional hearing aid
system is the addition of a microphone, receiver, volume
control, interstage coupling capacitor and an MPO adjusting
potentiometer.
The GS3015 has been designed to mount on the back of the
Microtronics PJ88S Socket Volume Control. This translates to
a saving in space within the hearing instrument, as the circuitry
mounts directly beneath the volume control. If the VC requires
replacing, it is a simple procedure to remove the defective unit
from the socket and install a new device. This does not disturb
the electronic circuitry.
The major advantage of the GL504 over other preamplifiers is
the electronic MPO adjustment. Since conventional MPO is not
possible in a class D receiver, Gennum provides it in the
preamp.
VMIC 2
RMIC
C1 6
3µ3
AIN 11
C2
47n
-A
5
10 VB
7 4 VREC
RPULL
C3
47n
- B 1 BOUT
8
4 3 12
R1
48K
3
6
57
98
CIN CT AOUT BIN GND MPO
All resistors in ohms, all capacitors
in farads unless otherwise stated
BLOCK DIAGRAM
GS3015
HYBRID
Revision Date: May 1998
Document No. 520 - 92 - 05
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996
Web Site: www.gennum.com E-mail: [email protected]
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Seiten | Gesamt 5 Seiten | |
PDF Download | [ GS3015 Schematic.PDF ] |
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