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4.3.2 External Resistor
Connect an external resistor between terminal J1/9 (ECLC) and terminal J1/8 (ECLRET).
The resistor value is given by:
0 < RECLC < 36.4 K (1/8 Watt)
At RECLC greater than 36.4 K, the current limit will be internally clamped to the nominal
value.
IC(nom) is the nominal continuous current limit of the amplifier.
4.3.3 External Current Limit - Peak (ECLP)
The peak current limit of the Ocarina and Castanet amplifiers can be scaled down by an
external voltage or by an external resistor connected between pin J1/14 (ECLP) and J1/8
(ECLRET).
4.3.4 External Voltage
An external positive voltage (0 to 3.75 V) to terminal J1/14 (ECLP) in reference to terminal
J1/8 (ECLRET) will control the peak current limit from zero to Ip(nom).
The voltage is internally clamped to 3.75 V whenever the external VECLP is higher than 3.75 V.
The external voltage source must be able to source/sink at least ±0.2 mA.
The maximum absolute VECLP allowed to be connected is 5 V.
(Kohm) = 37.4 *
R
ECLC
Ic(new)
Ic(nom)
-1
(Kohm) = 37.4 *
R
ECLC
(Kohm) = 37.4 *
R
ECLC
Ic(new)
Ic(nom)
-1
V
ECLP
Ip(new) =
3.75V
* Ip(nom)
V
ECLP
Ip(new) =
3.75V
* Ip(nom)
Ocarina/Castanet Installation Guide Servo Control Operation
MAN-OCSRIG (Ver. 1.2)
4-2