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PRODUCT SPECIFICATION
RC2798
3
Electrical Characteristics
(T
A
= 25
°
C )
Standard Characteristics
(V
CC
= 5V, T
A
= 25
°
C)
Parameter
AGC Amplifier, Oscillator, and Mixer Blocks (Vcc = 5V)
Icc1
Supply current 1
f
RF
RF input frequency range
f
OSC
OSC frequency range
f
IF
IF output frequency range
CG
MAX
Maximum conversion gain
CG
MIN
Minimum conversion gain
GCR
AGC dynamic range
NF
Noise figure
Test conditions
Min.
Typ.
Max.
Unit
no input signal
17.0
30
30
DC
23.0
31.0
250
250
150
mA
MHz
MHz
MHz
dB
dB
dB
dB
V
AGC
= 4.0V
V
AGC
= 1.0V
V
AGC
= 1.0 to 4.0V
SSB, V
AGC
= 4.0V
At maximum gain
At maximum gain
At minimum gain
25
-7
32
9
24
40
V
AGC
H
V
AGC
L
Video Amplifier Block (Vcc = 5V)
Icc2
Supply current 2
V
OUT
Output voltage
G1
Differential gain 1
AGC voltage high level
AGC voltage low level
4.0
V
V
1.0
No input signal
RL = 1K
W
, differential
G1A-G1B pins: short,
V
OUT
= 3Vp-p
G1A-G1B pins: open,
V
OUT
= 3Vp-p
7.0
12.5
3.0
200
17.0
mA
Vp-p
V/V
150
250
G2
Differential gain 2
22.0
26.0
30.0
V/V
Video Amplifier Block (Vcc = 9V)
Icc2
Supply current 2
V
OUT
Output voltage
G1
Differential gain 1
no input signal
RL = 1K
W
, differential
G1A-G1B pins: short,
RL = 2K
W
G1A-G1B pins: open,
RL = 2K
W
18.0
24.0
3.0
385
32.0
mA
Vp-p
V/V
300
470
G2
Differential gain 2
25.0
28.5
32.0
V/V
Video Amplifier Block (Vcc = 5V or 9V)
BW
G1
Bandwidth 1
BW
G2
Bandwidth 2
Rin1
Input resistance 1
Rin2
Input resistance 2
Cin
Input capacitance
G1
G2
G1
G2
50
50
3.5
7.5
1.6
MHz
MHz
K
W
K
W
pF
Parameter
AGC Amplifier Block (Vcc = 5V)
AGC IIP3
AGC input intercept point
Test conditions
Min.
Typ.
Max.
Unit
At minimum gain
(AGC amplifier + mixer)
-9
dBm
Video Amplifier Block (Vcc = 5V or 9V)
CMRR
Common mode rejection ratio
PSRR
Power supply rejection ratio
Rise time
Propagation delay time
80
70
2.6
4.4
dB
dB
nS
nS
t
r
t
PD