NJM567M-TE1 NJR, NJM567M-TE1 Datasheet - Page 9

• Manufacturer Part Number: NJM567M-TE1
• Description: Telephone Ringers _
• Manufacturer: NJR

Specifications of NJM567M-TE1

• Mounting Style: Through Hole
• Operating Supply Voltage: 36 V
• Package / Case: DIP-14
• Minimum Operating Temperature: 125 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

response time. This may be undesirable. Bandwidth can be reduced by reducing the loop gain. This scheme will improve
camping and permit faster operation under narrow-band conditions. Note that the reduced impedance level at terminal 2
will require that a larger value of C
network of R
ground may be required to shunt high frequency components.
(between pins 8 and 1). Pin 1 is pulled up to unlatch the output stage.
Ver.2003-12-09
◎ Alternate Method of Bandwidth Reduction (Figure 6)
◎ Output Latching (Figure 7)
Although a large value of C
To latch the output on after a signal is received, it is necessary to provide a feedback resistor around the output stage
B
and R
C
can be eliminated and the R
2
will reduce the bandwidth, it also reduces the loop damping so as to slow the circuit
2
be used for a given filter cutoff frequency. If more than three 567s are to be used, the
(note) Adjust control for symmetry of
detection band edges about f
A
Output Latching
resistors connected together. A capacitor between this junction and
Figure 6
Figure 7
O
.
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