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DVS 304 • Reference Material
Output level .................................. TTL: 5.0 Vp-p, unterminated
Input impedance .......................... 510 ohms
Output impedance ....................... 75 ohms
Max input voltage ........................ 5 Vp-p
Max. propagation delay ............... 20 ns
Polarity............................................ Positive or negative (selectable)
Audio — DVS 304 A, DVS 304 AD
Gain ................................................ Unbalanced output: 0 dB; balanced output: +6 dB
Frequency response ..................... 20 Hz to 20 kHz, ±0.05 dB
THD + Noise ................................. 0.03% @ 1 kHz at nominal level, 0 dB gain
S/N ................................................. >90 dB at maximum output (unweighted)
Crosstalk ........................................ <-103 dB, wideband, @ 1 kHz (20 Hz to 20 kHz), fully loaded
Stereo channel separation ........... >80 dB @ 1 kHz
CMRR ............................................. >75 dB @ 20 Hz to 20 kHz
Audio input — DVS 304 A, DVS 304 AD
Number/signal type .................... 4 stereo, balanced/unbalanced
Connectors .................................... (4) 3.5 mm captive screw connector, 5 pole
Impedance ..................................... >18k ohms unbalanced, 24k ohms balanced, DC coupled
Nominal level ................................ +4 dBu (1.23 Vrms), -10 dBV (316 mVrms)
Maximum level ............................. +18 dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment ................. –15 dB to +9 dB, adjustable per input
N 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu
Audio output — DVS 304 A, DVS 304 AD
Number/signal type .................... 1 stereo, balanced/unbalanced
Connectors .................................... (1) 3.5 mm captive screw connector, 5 pole
Impedance ..................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ...................................... ±0.1 dB channel to channel
Maximum level (Hi-Z) ................ >+21 dBu, balanced or unbalanced at 1% THD+N
Maximum level (600 ohm) .......... >+15 dBm, balanced or unbalanced at 1% THD+N
Output volume range ................... 0 to 100 (-52 dB to 0 dB) in 0.5 dB increments from steps 4 to 100, 1 dB
increment from step 0 to 3)
Control/remote — decoder/scaler
Serial control port ......................... RS-232, 9-pin female D connector
Baud rate and protocol ............... 9600 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configurations . 1 = input 1 select
2 = TX
3 = RX
4 = input 2 select
5 = GND
6 = input 3 select
7 = input 4 select
8 = n/a
9 = n/a (reserved)
Ethernet control port..................... 1 RJ-45 female connector
Ethernet data rate .......................... 10/100Base-T, half/full duplex with autodetect
Ethernet protocol ........................... ARP, DHCP, ICMP (ping), TCP/IP, Telnet, HTTP, SMTP