www.clare.com
22
CPC5604
XXX
dB
Distortion
Figures 5A and 5C show the test setup for receive and
transmit distortion. Figures 5B and 5.D show the THD at
Figure 5A Receive Distortion Test Tip/Ring to Rx± Setup
Figure 5B Receive Distortion on Rx±
TIP
RING
500 10H
500 10H
48V
+
-
40mA Loop Current
IN1
IN2
AP1
Audio
Precision
Generator
-9dBm/
600Hz
RX+
RX-
Audio
Precision
System One
Analyzer
100K
600
LITELINK
TM
DAA Circuit
OH
470
uF
600Hz graphs for receive and transmit respectively.
Transmit signal for this test is set to -9dBm.
CPC5604
www.clare.com
23
XXX
Frequency (Hz)
dB
Figure 5C Transmit Distortion Test Tx± to Tip/Ring Setup
TIP
RING
500 10H
500 10H
600
48V
+
-
40mA Loop Current
IN1
IN2
AP1
Audio
Precision
Generator
50
-3dBm/600Hz
TX+
TX-
Audio
Precision
System
One
Analyzer
LITELINK
TM
DAA Circuit
OH
Figure 5D Transmit Distortion on Tip/Ring
www.clare.com
24
CPC5604
XXX
+0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-36
-38
-40
THL
(dBm)
500 1K 1.5K 2K
Frequency (Hz)
2.5K 3K 3.5K 4K
Trans-Hybrid Loss
As shown in Figure 6A, the Audio Precision, AP1 injects
a signal into the Tx inputs and measures the energy at
Rx with Tip and Ring terminated by a 600 nominal
Audio
Precision
Generator
RX-
RX+
TIP
RING
500 10H
500 10H
500uf
600
48V
+
-
40mA Loop Current
Audio Precision
System One
Analyzer
100K
V
IN1
IN2
AP1
50
V
-3dBm/30Hz-4kHz
TX+
TX-
LITELINK
TM
DAA Circuit
THL = 20 log (V /V )
RX
TX
RX
TX
OH
Figure 6A Trans-Hybrid Loss (THL) Test Setup
Figure 6B Trans-Hybrid Loss at Rx± with -3dBm Signal on Tx± Matched to 600 Impedance on T/R
impedance. The Tx input frequency is swept from 30Hz-
4000Hz and the amplitude of the signal is measured on
the Rx inputs and graphed in Figure 6B.

CPC5604A

Mfr. #:
Manufacturer:
IXYS Integrated Circuits
Description:
MOSFET LITELINK I
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet