Motorola CA2842C Datasheet
1
CA2842CMOTOROLA RF DEVICE DATA
The RF Line
. . . designed for amplifier applications in 50 to 100 ohm systems requiring wide
bandwidth, low noise and low distortion. This hybrid provides excellent gain
stability with temperature and linear amplification as a result of the push–pull
circuit design.
• Specified Characteristics at VCC = 24 V, TC = 25°C:
Frequency Range — 10–400 MHz
Output Power — 1580 mW Typ @ 1 dB Compression, f = 200 MHz,
VCC = 28 V
Power Gain — 22 dB Typ @ f = 100 MHz
PEP — 650 mW Min @ –32 dB IMD
Noise Figure — 4 dB Typ @ f = 100 MHz
ITO — 46 dBm @ f = 300 MHz
• All Gold Metallization for Improved Reliability
• Unconditional Stability Under All Load Conditions
MAXIMUM RATINGS
Rating Symbol Value Unit
DC Supply Voltage V
CC
28 Vdc
RF Power Input P
in
+14 dBm
Operating Case Temperature Range T
C
–20 to +100 °C
Storage Temperature Range T
stg
–40 to +100 °C
ELECTRICAL CHARACTERISTICS (T
C
= 25°C, VCC = 24 V, 50 Ω system unless otherwise noted)
Characteristic
Symbol Min Typ Max Unit
Frequency Range BW 10 — 400 MHz
Gain Flatness (f = 10–400 MHz) — — ±0.5 ±1 dB
Power Gain (f = 100 MHz) P
G
21 22 23 dB
Noise Figure, Broadband (f = 100 MHz) NF — 4 5 dB
Power Output — 1 dB Compression
(f = 10–200 MHz, VCC = 28 V)
Po1
dB
1260 1580 — mW
Power Output — 1 dB Compression
(f = 200–400 MHz, VCC = 28 V)
Po1
dB
630 — — mW
Third Order Intercept
(See Figure 10, f1 = 10–400 MHz, See Fig. 10)
ITO 42 44 — dBm
Input/Output VSWR (f = 10–400 MHz) VSWR — 1.3:1 1.5:1 —
Second Harmonic Distortion
(Po = 100 mW, f2H = 300 MHz)
d
so
— — –50 dB
Peak Envelope Power
(Two Tone Distortion Test — See Figure 10)
(f = 200 MHz @ –32 dB IMD)
PEP 650 1000 — mW
Supply Current I
CC
200 230 250 mA
Order this document
by CA2842C/D
SEMICONDUCTOR TECHNICAL DATA
22 dB
10–400 MHz
1.2 WATTS
WIDEBAND
LINEAR AMPLIFIER
CASE 714F–03, STYLE 1
[CA (POS. SUPPLY)]
Motorola, Inc. 1994
CA2842C
2
MOTOROLA RF DEVICE DATA
TYPICAL CHARACTERISTICS
f, FREQUENCY (MHz)
100 7006005004003002000
24
23
22
21
20
19
18
17
PG, POWER GAIN (dB)
TC = 25°C
15 V
24 V
28 V
NO CHANGE AT 24 AND 28 VOLTS
– 3 dB POINTS fl = 3 MHz
fu = 550 MHz
Figure 1. Power Gain versus Voltage
VCC = 24 V
f, FREQUENCY (MHz)
100 7006005004003002000
0.6
GAIN (dB)
∆
0.4
0.2
0.0
– 0.2
– 0.4
– 0.6
– 0.8
(RELATIVE TO FREQUENCY RESPONSE AT 25°C)
DELTA (– 40°C)
DELTA (100°C)
Figure 2. Relative Power Gain versus Temperature
f, FREQUENCY (MHz)
100 7006005004003002000
TC = 25°C
34
32
30
28
26
24
22
20
Po1dB, POWER OUTPUT (dBm)
15 V
24 V
28 V
Figure 3. 1 dB Compression versus Voltage
TC = 25°C
f, FREQUENCY (MHz)
100 7006005004003002000
7
6
5
4
3
2
1
0
NF, NOISE FIGURE (dB)
15 V
24 V
28 V
Figure 4. Noise Figure versus Voltage
TC = 25°C
f, FREQUENCY (MHz)
100 7006005004003002000
48
46
44
42
40
38
36
34
ITO, 3RD ORDER INTERCEPT POINT (dBm)
15 V
24 V
28 V
Figure 5. Third Order Intercept versus Voltage
f, FREQUENCY (MHz)
100 7006005004003002000
TC = 25°C
34
32
30
28
26
24
22
20
PEP, POWER (dBm)
15 V
24 V
28 V
Figure 6. Peak Envelope Power versus Voltage
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