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Agere
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| Part No. |
T8303
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| OCR Text |
..., busy tone, call waiting tone, ring-back tone, and network busy tone. -- Comfort noise generation. -- Acoustic echo cancellation for full-duplex speakerphone.
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General Features
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Additional features include: -- 3.... |
| Description |
Phone-on-a-chip IP Solution
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| File Size |
549.44K /
4 Page |
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Linear
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| Part No. |
LT1684 1684I
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| OCR Text |
Ring Tone Generator
February 1999
FEATURES
s s
DESCRIPTION
The LT(R)1684 is a telecommunication ring tone generator. The IC takes a user-generated pulse width modulated (PWM) input and converts it to a high voltage sine wave suitab... |
| Description |
Micropower Ring Tone Generator
From old datasheet system
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| File Size |
269.21K /
12 Page |
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it Online |
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Atmel
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| Part No. |
U3760MB-N U3760MBN
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| OCR Text |
...A1, 31-May-99
GND2
AA AA
Ring
LED
AA
2 (20)
VI
220 k
U3760MB-N
SSO44 C1 1 C2 2 C3 3 n.c. 4 n.c. 5 n.c. 6 KT 7 XT 8...tone signal output generated for all keys in pulse dialing mode (except Flash + Redial) with a frequ... |
| Description |
Low-Voltage Standard Telephone Circuit
From old datasheet system
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| File Size |
289.21K /
20 Page |
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it Online |
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Atmel
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| Part No. |
U3760MB U3760
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| OCR Text |
...
T3
RDP3 2.7 k B2 B3
LINE
RING
Vtip/ring
T2
DP
IL
B1
B4 GND
The DC operating point in speech mode is given by: Vtip/r...tone amplifier ST
IST
RIMP2 300 R RST1 1.5 K RST2 4.7 K RIMP1 390 R
4.7 nF
Ist 270 A, IVI... |
| Description |
From old datasheet system
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| File Size |
301.17K /
19 Page |
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it Online |
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holtek
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| Part No. |
HT9020B
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| OCR Text |
...n such as dial tone, busy tone, ring-back tone and reorder tone.
Block Diagram
X1 X2
32768H z O s c illa to r
C lo c k G e n e ra to r
VRE. G e n e ra to r
VRE.
EN
S IN
B andpass . ilte r
Level S ense C K T
D ig... |
| Description |
Call Progress Tone Detector
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| File Size |
107.21K /
7 Page |
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it Online |
Download Datasheet |
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IDT
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| Part No. |
IDT821064
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| OCR Text |
...pins) per channel Fast hardware ring trip mechanism Two programmable tone generators per channel for testing,
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* * * * * * *
ringing and DTMF generation FSK generator Two programmable chopper clocks Master clock frequency se... |
| Description |
QUAD PROGRAMMABLE PCM CODEC WITH GCI INTERFACE
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| File Size |
473.46K /
33 Page |
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it Online |
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NPC
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| Part No. |
SM8223B SM8223A
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| OCR Text |
...nction1 using the telephone tip/ring input signal. It also features a ring (call signal) signal detection circuit, making for easy construct...Tone Filter Low Group Filter
0.38 to 1.02 3.68 to 4.32
0.25
19.05
pre
FSK/DTMF Discrimi... |
| Description |
FSK Decoder and DTMF Receiver IC
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| File Size |
176.97K /
15 Page |
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it Online |
Download Datasheet |
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Price and Availability
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