MITSUBISHI MA1078-2

MA1078-2
MA1078-2
For DCS1800 - 20W Power Amplifier
DESCRIPTION
2. Electrical Performances (Tc = +25°C, Vc = +24V, Vd = +10V, Vg = –6V, Zg = Zl = 50Ω)
OUTLINE DRAWING
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.
No.
Symbol
Condition
142 mm
136 +/– 0.8 mm
3 mm
1
Frequency
2
Output Power
3
Output RF modulation
spectrum ; from
the carrier 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
=
MA1078-2
70
mm
64.4
+/- 0.8
mm
FEATURES
■Specified +25/+10 Volt Chracteristics
• RF Output Power : +43 dBm (typ.)
• Harmonics : –65 dBc typ.
■Small Size : 70 × 142 × 40 mm3
■50 Ohm Input/Output Impedances
2.6 mm
4 HOLES
φ 3.5 mm
RF IN
APPLICATION
Items
Vg(–6V:PIN#12)
Vdet(PIN#13)
GND(PIN#11)
(out)
40
mm
25 PINs D-SUB
Vd(+10V:PIN#24) Vc(+24V:PIN#25)
Pout
–––
(Pin control)
Symbol
Condition
Standard
Unit
Tc
–40 ~ +70
°C
Tstg
–40 ~ +80
°C
1
Case temperature
2
Storage temperature
3
Collector Voltage
VC
+26.0
V
4
Drain Voltage
Vd
Vg = –6V
+11.5
V
5
Gate Voltage
Vg
Vd = +10V
–10.0
V
6
RF Input Power
Pin
–11.0
dBm
– 92 –
Max
1805
–––
1880
MHz
+43
–––
–––
dBm
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
+0.5
–30
–33
–60
–70
dB
dB
dB
dB
dB
–––
–––
–73
dB
–––
–––
–75
dB
–––
–––
–80
dB
–––
–––
–––
–––
–36
–30
dBm
dBm
Spurious ; in-band
out-band
5
Harmonics
2fo
3fo
4fo
Pout = +43 dBm
–––
–––
–––
–60
–65
–70
–––
–––
–––
dBc
dBc
dBc
6
Quiescent current
Icq
Pin = OmW
–––
–––
1.5
A
1. Maximum Ratings
Items
Type
Pout = +43 dBm
Amplifier Specifications (MA1078-2)
No.
Unit
Min
4
RF OUT
10 mm
■DCS 1800 (1805 ~ 1880 MHz)
Base station
f
Standard
– 93 –