Wegener Communications UNITY 4600 User Manual
Page 10

General Information
4
800032-01 Rev. G
www.wegener.com
Multiburst
NTSC: From 0.5 to 4.2 MHz:
≤
±0.8 dB
PAL-B: From 0.5 to 4.8 MHz:
≤
±1.2 dB
Differential Gain
≤ 4 IRE
Differential Phase
≤
1.5°
L/C Gain Inequality
≤
±4 IRE
L/C Delay Inequality
≤
±26 ns
Line Time W-form Distortion
≤ 1.0 IRE p-p
Field Time W-form Distortion
≤ 3 IRE p-p
Video SNR Weighted
≥ 56 dB
VBI Data Re-insertion
EIA 608 closed captioning & XDS from ATSC and also
Harmonic and Tandberg proprietary protocols
AUDIO OUTPUT
Output Level-MAX PPL
+18.0 dBm into 600 ohms @ 0 dB attenuation
+ 24.0 dBm is optional
Output level adjust range
0 to 20 dB attenuation in 2 dB steps from Output Levels above
Output Impedance
Balanced: < 60
Ω
Frequency Response
20Hz to 20 kHz, + 0.5/-1.5 dB
50 Hz to 15 kHz, ± 0.5 dB
Phase Accuracy
50 Hz to 15 kHz,
≤ ±2° from linear phase
SNR
≥ 80 dB (22 Hz to 20 kHz) unweighted
Dynamic Range
24 bits
DTMF OUTPUT (where available)
Type
Low-Z balanced output
DTMF tones
16 tone-pairs, std. telco DTMF
Tone Timing
< 230 ms to generate 4 tone-pair sequence
Output Level Range
+8 to –2 dBm into 600
Ω; software adjustable in step increments
of 6% of full-scale voltage
FRONT-PANEL MONITORS
(actively-isolated from, but otherwise buffered copies of the
standard analog outputs)
Video
Composite video; 1 V
p-p
, 75
Ω
Audio
One stereo pair (user-selectable from audio port 1 or 2),
Level: ~ -13 dB below main audio output
(if set for +18 dBu output PPL)
Impedance: < 60
Ω, unbalanced
Characteristic
Specification