Video ICs
•Electrical characteristic curves
60
VCC = 12V
PB SP; ON.
VIN = – 65dBV 23 22 21
8.2k
50
330k 12k OUT
0.01µ
40
22µ
EP
330
30
SP
20
10
100 1k 10k 100k 1M 10M
FREQUENCY: f (Hz)
Fig. 4 Gain vs. frequency (PB amplifier)
BA7796FS
10
8
6
Vcc = 12V
THD = 1%
4
(BW = 0.4 ~ 30k [Hz])
ALC OFF
2
LINE
+10µ VOUT
RL
0
100 200 500 1k 2k 5k 10k
LOAD RESISTANCE: RL (Ω)
Fig. 5 Line amplifier load drive
characteristics
10
VCC = 12V
f = 1kHz
Input: LINE1 IN
Output: LINE OUT
00
– 10
– 20
– 30
– 40
– 30
– 20
– 10
0
INPUT LEVEL: VIN (dBV)
Fig. 6 ALC input / output characteristics
50
VCC = 12V
ALC OFF
Input: LINE1 IN
40 Output: REC OUT
6
5
4
12k 15k
OUT
30
6000p
EP
1800p 1.5k
SP
20
10
100
1k
10k
FREQUENCY: f (Hz)
100k
Fig. 7 Gain vs. frequency (REC amplifier)
9