Ericsson PTB20004 Datasheet

e

Description

PTB 20004

50 Watts, 860–900 MHz

Cellular Radio RF Power Transistor

The 20004 is a class AB, NPN, common emitter RF power transistor
intended for 25 Vdc operation across the 860 to 900 MHz frequency
band. Rated at 50 watts minimum output power, it may be used for
both CW and PEP applications. Ion implantation, nitride surface
passivation and gold metallization are used to ensure excellent device
reliability. 100% lot traceability is standard.

Typical Output Pow er vs. Input Pow er

60

50

40

30

20

Output Power (Watts)

10

0

0246810

Input Power (Wa tts)

VCC = 25 V
I

= 200 mA

CQ

f = 900 MHz

 50 Watts, 860–900 MHz
 Class AB Characteristics
 50% Collector Efficiency at 50 Watts
 Gold Metallization
 Silicon Nitride Passivated

20004

LOT CODE

Package 20200

Maximum Ratings

Parameter Symbol Value Unit

Collector-Emitter Voltage V
Collector-Base Voltage V
Emitter-Base Voltage (collector open) V
Collector Current (continuous) I
Total Device Dissipation at T

Above 25°C derate by 1.0 W/°C
Storage Temperature Range T

Thermal Resistance (T

9/28/98

flange

= 25°C P

flange

= 70°C) R

1

CER
CBO
EBO

C

D

STG

θJC

40 Vdc
50 Vdc

4.0 Vdc

10.0 Adc
175 Watts

–40 to +150 °C

1.0 °C/W

PTB 20004

e

Electrical Characteristics (100% Tested)

Characteristic Conditions Symbol Min Typ Max Units

Breakdown Voltage C to E IB = 0 A, IC = 100 mA V
Breakdown Voltage C to E VBE = 0 V, IC = 100 mA V
Breakdown Voltage E to B IC = 0 A, IE = 5 mA V
DC Current Gain VCE = 5 V, IC = 1 A h

(BR)CEO
(BR)CES
(BR)EBO

FE

25 30 — Volts
55 70 — Volts

3.5 5 — Volts
20 50 100 —

RF Specifications (100% Tested)

Characteristic Symbol Min Typ Max Units

Gain

(V

Collector Efficiency

(V

Intermodulation Distortion

(V
f1 = 899 MHz, f2 = 900 MHz)

Load Mismatch Tolerance

(V
f = 900 MHz—all phase angles at frequency of test)

= 25 Vdc, P

CC

= 25 Vdc, P

CC

= 25 Vdc, P

CC

= 25 Vdc, P

CC

= 50 W, ICQ = 200 mA, f = 900 MHz) G

out

= 50 W, ICQ = 200 mA, f = 900 MHz) η

out

= 50 W

out

= 50 W, ICQ = 200 mA Ψ — — 10:1 —

out

, ICQ = 200 mA, IMD — -21 — dBc

(PEP)

pe

C

8.0 9.5 — dB

50 — — %

Impedance Data (data shown for fixed-tuned broadband circuit)

(V

CC

= 25 Vdc, P

= 50 W, ICQ = 200 mA)

out

Z Source Z Load

Frequency Z Source Z Load

MHz R jX R jX

860 7.1 -1.7 5.0 -3.5
880 6.9 -1.2 5.1 -3.9
900 6.7 -0.6 5.2 -4.5

2