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Kenwood TM-221A Service Manual page 10

144mhz fm transceiver
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M-221A/E/ES
SEMICONDUCTOR DATA
Electronic volume LC7532M (VOL IC1)
@ Electric characteristics
Conditions
High-frequency. distortion
VDD=3V, RL=50kQ,
f=1kHz, VR MAX,
VIN=—20dBV
VDD=2.1V, RL=50kQ,
f=1kHz, VR MAX,
ViIN=—20dBV
Output in low-power mode
At OdBm input: f=1kHz, RL=51kQ
Input impedance
RIN
UP, DN, CE
Current consumption
@ Block diagram
IDD (1)
IDD (2)
VDD=S8V when operating
VDD=3V, CE="L"
12

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