Mitsubishi MA1072-2 Datasheet
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MA1078-2
For DCS1800 - 20W Power Amplifier
MA1078-2
Vg(–6V:PIN#12)
GND(PIN#11)
Vd(+10V:PIN#24)
RF IN RF OUT
Vc(+24V:PIN#25)
25 PINs D-SUB
Vdet(PIN#13)
(out)
136 +/– 0.8 mm 3 mm
142 mm
70
mm
40
mm
2.6
mm
10 mm
4 HOLES
φ 3.5 mm
64.4
+/- 0.8
mm
DESCRIPTION
The MA1078-2 is a 20W power amplifier
designed for DCS 1800, which comprises 4
stages GaAs FET and 2 stages Si bipolar
transistors, also RF power monitoring circuit.
FEATURES
■Specified +25/+10 Volt Chracteristics
• RF Output Power : +43 dBm (typ.)
• Harmonics : –65 dBc typ.
■Small Size : 70 × 142 × 40 mm
3
■50 Ohm Input/Output Impedances
APPLICATION
■DCS 1800 (1805 ~ 1880 MHz)
Base station
Amplifier Specifications (MA1078-2)
1. Maximum Ratings
OUTLINE DRAWING
No. Condition
Case temperature
1
2
3
4
5
Storage temperature
Collector Voltage
Drain Voltage
Gate Voltage
SymbolItems
Tc
Tstg
VC
Vd
Vg
Unit
°C
°C
V
V
V
Vg = –6V
Vd = +10V
Standard
–40 ~ +70
–40 ~ +80
+26.0
+11.5
–10.0
6 RF Input Power Pin dBm–11.0
MA1078-2
2. Electrical Performances (Tc = +25°C, Vc = +24V, Vd = +10V, Vg = –6V, Zg = Zl = 50Ω)
No. Items
Frequency
1
Symbol
f
Unit
MHz
Standard
Condition
1880– – –1805
Output Power2 Pout dBm– – –– – –+43
Output RF modulation
spectrum ; from
the carrier
3 – – –
2fo
3fo
4fo
dB
dB
dB
dB
dB
dB
dB
dB
+0.5
–30
–33
–60
–70
–73
–75
–80
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
MaxTypeMin
Quiescent current6 Icq A1.5– – –– – –
Spurious ; in-band
out-band
4 dBm
dBm
–36
–30
– – –
– – –
– – –
– – –
Harmonics5 dBc
dBc
dBc
– – –
– – –
– – –
–60
–65
–70
– – –
– – –
– – –
100 KHz
200 KHz
250 KHz
400 KHz
600 KHz
to < 1200 KHz
1200 KHz
to < 1800 KHz
1800 KHz
to < 6000 KHz
<
=
6000 KHz
P
out = +43 dBm
(P
in control)
P
out = +43 dBm
P
in = OmW
– 93 –
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