Description

Line Input Transformer VTXLIN1

1 : 0.5+0.5 10kΩ 22dBu

High Performance Line Input Transformer VTXLIN1 – Used in audio systems to interface line-level signals with the input stages of amplifiers, mixers, or other equipment.

Its primary purpose is to;

• optimise signal transfer
• provide electrical isolation
• minimise noise and interference in audio systems

Transformer Data Sheet – Click to open and DOWNLOAD

LINE Input Transformer VTXLIN1

• Input impedance: 10k
  Input 12.5dBu max. (@ 20Hz) <1%THD
  Frequency response +/-0.25dB (16Hz – 35kHz)
  Hi-pot, primary to secondaries: 500VDC
  Windings to screens+can: 500VDC
• Fitted with multiple electrostatic screens
  Low distortion Mu-metal core
  Mu-metal screening can reduces electrical noise by up to 30dB
  Operating temperature range: 0 to +70 C
  Storage temperature range: -25 C to +120 C
  Mass = 0.055kg

Electrical characteristics LINE Input Transformer VTXLIN1

Specification (test circuit 1):

Turns ratio: 2 to 1 (series wired)

DC resistance (Ω+/-15%)
Primary (8 – 5): 477
Secondary (series) (1 – 4): 120

Input impedance (Ω): 10.3kΩ (typ.) @ 1kHz
Output impedance (Ω): 254Ω (typ.) @ 1kHz

Voltage gain @ 1kHz, -6.9dBu (typ.)
Maximum input @ 20Hz, <1% THD: 12.5dBu
Insertion loss: 0.8dB (typ.)

• Leakage inductance @ 1kHz (8 – 5) (1/2/3/4 S/C): 15mH (typ.)
• Leakage inductance @ 1kHz (1 – 4) (5/8 S/C): 3.7mH (typ.)

Capacitance @ 10kHz, 0.1V:

• Cp-s: 56pF (typ.) or 5pF (typ.) with screen earthed
• Cp-scr: 102pF (typ.)
• Cs-scr: 108pF (typ.)

Specification (test circuit 2)

Turns ratio: 4 to 1 (parallel wired)

DC resistance (Ω+/-15%)
Primary (8 – 5): 477
Secondary (parallel) ((1+2) – (3+4)): 29.8

Input impedance (Ω): 10.3kΩ (typ.) @ 1kHz
Output impedance (Ω): 63Ω (typ.) @ 1kHz

Voltage gain @ 1kHz, -12.9dBu (typ.)
Maximum input @ 20Hz, <1% THD: 12.5dBu
Insertion loss: 0.8dB (typ.)

• Leakage inductance @ 1kHz: (8 – 5) (1/2/3/4 S/C) 15mH (typ.)
• Leakage inductance @ 1kHz (1 – 4) (5/8 S/C):940uH (typ.)

Capacitance @ 10kHz, 0.1V:

• Cp-s: 56pF (typ.) or 5pF (typ.) with screen earthed
• Cp-scr: 102pF (typ.)
• Cs-scr: 108pF (typ.)