cxa1878q Sony Electronics, cxa1878q Datasheet - Page 35

• Manufacturer Part Number: cxa1878q
• Description: Dolby B-c Type Noise Reduction System With Recording/playback Equalizer Amplifier
• Manufacturer: Sony Electronics

0.01
0.01
0.1
0.1
10
–2
1
8
6
4
2
0
1
Dolby NR OFF total harmonic distortion
Dolby B type NR total harmonic distortion
V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
V
Dolby Level 400Hz, –6dBm
–4
–4
CC
CC
CC
, V
, V
, V
100Hz
1kHz
10kHz
100Hz
1kHz
10kHz
EE
EE
EE
0
0
100
= ±7.0V
= ±7.0V
= ±7V
Dolby B type NR encode boost
Output level [dB]
Output level [dB]
4
4
8
8
Frequency [Hz]
1k
12
12
16
16
20
20
0dB (Dolby Level)
10k
–30dB
–20dB
–35dB
–25dB
–15dB
–10dB
–5dB
–40dB
– 35 –
0.01
0.1
20
16
12
–4
8
4
0
1
Dolby C type NR total harmonic distortion
V
Dolby Level 400Hz, –6dBm
V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
–4
CC
CC
, V
, V
100Hz
1kHz
10kHz
EE
0
EE
100
Dolby C type NR encode boost
= ±7V
= ±7.0V
4
Output level [dB]
Frequency [Hz]
8
1k
12
16
0dB (Dolby Level)
20
10k
CXA1878Q
–60dB
–55dB
–50dB
–45dB
–40dB
–35dB
–30dB
–25dB
–20dB
–15dB
–10dB
–5dB