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Tronson Electronics Company Limited
[China]

Address:
No. 76 , XinWei Industrial Area , XiaKou LiuHua East Street DongGuan City , China Dongwan Guangdong 523115 China

Phone:
86-769-22459831

Contact name:
Joan Yang , sale

Tronson Electronics Company Limited

Products

	Modem Transformers

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Model Number

VT-1038T

Electrical Specification
1) Impedance: Designed to reflect 600 ohms on the PRI with 374 ohm load on SEC.
2) Longitudinal Balance:
60dB min. , 200~1000Hz; 40dB min., 1000~4000Hz, per FCC part 68.310
58dB min., great than 63dB typ., 200~1000Hz;
53dB min., great than 58dB typ.1000~3000Hz;
per IEEE-455, 1985/BELLCORE TR TSY 000057, Sect. 6.5.
3) D.C. Resistance(@20_ ):
PRI, 108 ohms ±10%
SEC, 120 ohms ±10%
4) Frequency Response:
±0.25dB, 200Hz~4KHz.
5) INSERTION LOSS: 2.0±0.25dB, 20_
6) Dielectric Rating:
1000VAC, 1 minute tested by applying 1250VAC for 1second between PRI-SEC;
PRI-Core. Meets or exceeds requirements of : CAN/CSA-C22.2 No.225(M90);
DOC's CS-03 (Issue 7); UL's UL1459, 2nd ED.(1992); and FCC's part 68(58 FR
44907, AUG. 25, 1993).
7) D.C Current: None.
8) Inductance: 12H min, 200Hz, 1.0V,Lp(20H typical).
9) Return Loss: 20dB min, 300~3000Hz vs. 600 ohm.
10) Turns Ratio: (PRI):(SEC)=1:1, ±2%.
11) Total Harmonic Distortion: LINE TO RECEIVE: -82dB max., 600Hz, -10dBm input(V.90)
12) Transmit to Line: -76dB typ., 150Hz, -3dBm output.