Line input/output or patchbay audio isolator module. This transformer has split primary and secondary windings which can be connected for 1:2 (150:600 ohms), 1:1 (600:600 ohms) or 2:1 (600:150 ohms) operation. Distortion, although specified for 600 ohms sources, will be further reduced by lower impedances.
Ideal for patch bay applications
Wide bandwidth of -3dB at 0.4Hz and 200kHz
Recommended for levels up to +21dBu at 20Hz
Voltage loss only 1.9dB in 600 to 600 ohm application
High common-mode rejection of 125dB at 60Hz
Spec Sheet available - Yes
Input Impedance:
750 ohm (1kHz, +4dBu, test circuit 1)
Insertion Loss:
-1.90 dB (1kHz, +4dBu, test circuit 1)
Magnitude response, ref 1 kHz:
-0.06 (20Hz, +4dBu, test circuit 1) and -0.02 (20kHz, +4dBu, test circuit 1) dB
Deviation from linear phase (DLP):
+0.6/-0 degree (20Hz to 20kHz, +4dBu, test circuit 1)
Distortion (THD):
<0.001 (1kHz, +4dBu, test circuit 1) and 0.025 (20Hz, +4dBu, test circuit 1) %
Maximum 20Hz output level:
+21 dBu (1% THD, test circuit 1)
Input common-mode rejection (CMRR) 600 ohms balanced source:
125 (60Hz, test circuit 2) and 95 (3kHz, test circuit 2) dB
Output common-mode rejection (CMRR) 600 ohms balanced load:
110 (60Hz, test circuit 3) and 80 (3kHz, test circuit 3) dB
Output Impedance:
750 ohm (1kHz, test circuit 5, Rs=600 ohms)
DC Resistance:
39 (total primary, Pin 7 to Pin 8, Pin 4 and Pin 5 shorted) and 112 total secondary, Pin 11 to Pin 12, Pin 14 and Pin 15 shorted kohm
Capacitance:
676 (total primary to shield and case) and 531 (total secondary to shield and case) pF
Turns Ratio:
1.000:1 (any winding to any other winding)
Breakdown Voltage:
250 Vrms (primary or secondary to shield and case, 60Hz, 1 minute test duration)