SGS Thomson Microelectronics STM901-30 Datasheet

CASE STYLEH 14 1

RF POW ER MO DU LE

LINEAR BASE STATI ON APPLIC ATIONS

.LINEAR POWER AMPLIFI ER

.860 - 900 MHz

.26 VOLTS

.INPUT/OUTPUT 50 OHMS

.P

OUT

= +44.7 dBm PEP

.GAIN

=

35 dB MIN.

DESCRI P TI ON

The STM901-30 module is d esigned for d igital cellular radio ba se station a pplications in t he 860-900 MHz fr equency range operating at 26V.

The STM901-30 is designed t o meet the low distortion, high linearity requirements of modern digital cellular base station e quipment.

PI N CONNE CTION

ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)

STM 9 01- 30

1. RF Input 2. V

G1

3. deleted 4. V

G2

5. V

D

6. V

B1

7. Cap18. V

C1

9. V

B2

10. Cap211. V

C2

12. RF Output

ORDERCODE

STM901-30

BRANDING

STM901-30

Symbol Parameter Value Unit

V, VD,VC1,VC2DC Supply Voltage 28 Vdc

I

Q1 Bias Current @ V

= 26V, 1st Stage

0.40 Adc

I

Q2 Bias Current @ V = 26V, 2nd St age

0.40 Adc

I

Q3 Bias Current @ V = 26V, 3rd St age

0.54 Adc

I

Q4 Bias Current @ V = 26V, 4th Stage

1.62 Adc

P

IN

RF Input Power (P

OUT

< 4 4.7 dBm PEP) 14 dBm PEP

P

OUT

RF Ou t p ut Powe r (V = 26V)

48 dBm PEP

T

STG

Storage Temperature

− 30 to +100

°

C

T

OPER

Operating Temperature

− 30 to +100

°

C

October 31, 1997 1/8

ELECTRICAL SP ECI FICATIONS (T

case

=25°C, VD,VC1,VC2= 26V) (I

DQ1

= 100 mA,

I

DQ2

= 180mA, I

CQ1

=50mA,I

CQ2

=150mA)

Symbol Parameter Test Cond itions

Value

Uni t

Min. Typ. Max.

BW Frequency Range 860 — 900 MHz

G

P

Power Gain

P

OUT

=

+44.7 dBm PEP

35 38 — dB

η

dt

*

Double-Tone Efficiency

P

OUT

=

+44.7 dBm PEP

27 30 — %



Input VSWR

P

OUT

=

+44.7 dBm PEP

— 1.5:1 3:1



IMD* Intermodulation

Distortion

P

OUT

=

+44.7 dBm PEP

—

−33 −26

dBT**

— Load Mismatch

VSWR

=

5:1 V= 26Vdc

P

OUT

=

+44.7 dBm PEP

No Degradation in Output

Power

Note : * Tw o-Tone test ; 20 KHz sep ar ation ** dB T - i n dB, referenced t o tone lev el (See Fi gur e 1 belo w )

20 kHz

PEP (PeakEnvelope Power)Carrier Level Total Avg. Powerof TwoTone

AVERAGE Powerof Each Tone

3 dB min

26 dB min

freq

Max IMD in dBT

Figure 1

STM901-30

2/8 October 31, 1997

POWER GAIN vs OUTPUT POWER &

FREQUENCY

POWER GAIN vs OUTPUT POWER &

FREQUENCY

POWER GAIN vs OUTPUT POWER &

FREQUENCY

POWER GAIN vs PEP & FREQUENCY

PEP [dBm]

POWER GAIN [dB]

35 40 45

36.5

37.5

38.5

39.5

40.5

41.5

42.5

f=900 MHz

f=860 MHz

f=925 MHz

f=960 MHz

Vs=26.0, Tc=25°C Iq=0.1/0.18/0.1/0.15 A

TYPICAL PERFORMANCE

STM901-30

October 31, 1997 3/8