CXA1720Q
Normalized pre-amplifier voltage gain and phase vs. Frequency
Vcc=5V, Ta=25˚C
When HD=high, low
Phase
Voltage Gain
0
0
–2
–4
–6
30
60
90
–8
120
150
–10
10k
100k
1M
10M
100M
f-Frequency (Hz)
Filter characteristics in the four modes
(These characteristics are based on pre-amplifier output. 0dB=pre-amplifier output
level)
1M/outer track
1M/inner track
VCC=5V, Ta=25˚C
VCC=5V, Ta=25˚C
RF=3.2kΩ
RF=3.2kΩ
10
0
200
150
100
50
200
150
100
50
10
0
–10
–20
–10
–20
–30
Voltage gain
Phase
Voltage gain
Phase
0
–30
–40
–50
0
–40
–50
–60
–70
–50
–100
–150
–200
–50
–100
–150
–200
–60
–70
10k
50k
100k
300k
1M
3M
10k
50k
100k
300k
1M
3M
f01=170 (KHz) Frequency (Hz)
f02=182 (KHz) Frequency (Hz)
2M/outer track
2M/inner track
VCC=5V, Ta=25˚C
VCC=5V, Ta=25˚C
RF=3.2kΩ
RF=3.2kΩ
200
150
100
10
0
200
150
100
50
10
0
–10
–10
Voltage gain
Phase
Voltage gain
Phase
–20
–30
–40
–20
–30
–40
50
0
0
–50
–50
–100
–150
–200
–50
–60
–70
–50
–60
–70
–100
–150
–200
10k
50k
100k
300k
1M
3M
10k
50k
100k
300k
1M
3M
f03=320 (KHz) Frequency (Hz)
f04=345 (KHz) Frequency (Hz)
—19—
SONY [ SONY CORPORATION ]
