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U3501BM Datasheet, PDF (10/20 Pages) TEMIC Semiconductors – Cordless Telephone Signal Processor | |||
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U3501BM
TX Audio
VCOIN = â20 dBVrms
Parameters
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Change of gain TXO
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain between 3.2 and 4.7 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX gain adjust range adj. 1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX gain adjust step adj. 1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ LIM gain adjust range adj. 2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ LIM gain adjust range adj.2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX gain versus frequency
(pre-emphasis bypassed)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ relative to 1 kHz reference
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ level 0 dB
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain versus frequency with
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ preemphasis relative to
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 1 kHz reference level 0 dB
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Total band ripple
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX gain
Test Conditions
EPREE = 0
DTXGT (100 Hz)
DTXGT (300 Hz)
DTXGT (1800 Hz)
DTXGT (3400 Hz)
DTXGT (4350 Hz)
PFIL (100 Hz)
PFIL (300 Hz)
PFIL (1800 Hz)
PFIL (3400 Hz)
PFIL (4350 Hz)
VBAT = 3.6 V and 5.2 V
VCOIN = â20 dBV
GTX (TXO, COIN)
Min. Typ. Max. Unit Fig.
â0.5
0
0.5
dB
â1
0
â1
dB
15
dB
0.8
1
1.2
dB
15
dB
0.8
1
1.2
dB
â1.3 â0.3
0.7
â1.2 â0.2
0.8
â0.8
0.2
1.2
â1.1 â0.1
0.7
â20
â24
â28
dB
6
â7.5 â6.5 â5.5
â6.5 â5.5 â4.5
3.3
4.3
5.3
dB
6.9
7.9
8.9
â15
â14
â13
2
%
5.5
dB
Limiter
Parameters
TX limiter level
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX audio mute
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TX output impedance
Test conditions
Min.
Typ.
Max.
Unit
Increase VCOIN until THD at
1.2
1.68
2.3
Vpp
TX0 = 5% then measure VTX0
ETX = 0, VCOIN = â10 dBV
attenuation at TX0 output
65
dB
7
10
14
kW
10 (20)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 29-Jul-96
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