Electrical Characteristics - Alinco DR-135 Service Manual

ELECTRICAL CHARACTERISTICS

Test Conditions: V = 3.0 V, T
CC
SYMBOL PARAMETER
I Supply Current
CC
G Mixer Conversion Gain
M
R Mixer Input Resistance
IM
FM PORTION
SINAD
12 dB SINAD
Demodulation Output Voltage
V
OUT(DET)2 1
THD1 Total Harmonic Distortion
G
Filter Amplifier Gain
f
S SCAN Control High Level
H
S
SCAN Control Low Levelv
L
HYS Squelch Hysteresis
V RSSI Output Voltage
RSSI
RF
RF Automatic Gain Control
AGC
ELECTRICAL CHARACTERISTICS (CONT.)
Test Conditions: V = 3.0 V, T
CC
SYMBOL PARAMETER
AM PORTION
S Sensitivity
V
Demodulation Output Voltage
OUT(DET)1
THD2
Total Harmonic Distortion 2
Total Harmonic Distortion 3
THD3
vol
AGC Amplifier Output Level
(AGC)
V AM OFF Voltage
OFF
V AM ON Voltage
ON
= 25 ˚C, unless otherwise specified.
A
TEST CONDITIONS
No Input, AM ON
No Input, AM OFF
Using CFU455F
DC Measurement
±3 kHz DEV
+80 dBµ ±3 kHz DEV
+80 dBµ
f = 1 kHz, R
IN
R = 1 kΩ
IN
Squelch Input 2.5 V
Squelch Input 0 V
No Input
V = +40 dBµ
IN
V = +100 dBµ
IN
RF AGC OUT V16=1 V
= 25 ˚C, unless otherwise specified.
A
TEST CONDITIONS
Input Level when Output Level
= 20 mVrms
1 kHz 30%, V
1 kHz 30%, V
1 kHz 80%, V
Non Modulation
V = +60 dBµ
IN
MIN
55
= 270 kΩ
f
2.5
0.0
0.4
1.0
62
MIN
= +60 dBµ 35
IN
= +60 dBµ
IN
= +60 dBµ
IN
500
-0.3
0.8V
TYP MAX
5.3 7.1
3.7 5.0
22
3.6
11 18
80 105
1.0 2.0
47
0.3
67
0.1 0.5
0.8 1.2
1.4 1.8
69 76
TYP MAX
16 23
50 65
1.0 2.0
2.0 4.0
0.3
CC
UNITS
mA
mA
dB
kΩ
dBµ
mVrms
%
dB
V
V
mV
V
V
V
dBµ
UNITS
dBµ
mV
%
%
mV
P-P
V
21