PTB20245 Datasheet, PDF (2/5 Pages) Ericsson – 35 Watts, 2.1-2.2 GHz Wide-Band CDMA Power Transistor

PTB 20245
Electrical Characteristics (100% Tested)
Characteristic
Breakdown Voltage C to E
Breakdown Voltage C to E
Breakdown Voltage E to B
DC Current Gain
Conditions
V_BE = 0 V, I_C = 20 mA
I_B = 0 A, I_C = 20 mA, R_BE = 22 Ω
I_C = 0 A, I_E = 5 mA
V_CE = 10 V, I_C = 1.5 A
RF Specifications (100% Tested)
Characteristic
Gain
(V_CC = 26 Vdc, Pout = 10 W, I_CQ = 85 mA, f = 2.2 GHz)
Power Output at 1 dB Compression
(V_CC = 26 Vdc, I_CQ = 85 mA, f = 2.2 GHz)
Collector Efficiency
(V_CC = 26 Vdc, Pout = 35 W, I_CQ = 85 mA, f = 2.2 GHz)
Load Mismatch Tolerance
(V_CC = 26 Vdc, Pout = 17.5 W, I_CQ = 85 mA
f = 2.2 GHz—all phase angles at frequency of test)
Typical Performance
Typical POUT, Gain & Efficiency (at P-1dB)
vs. Frequency
12
60
Output Power (W)
55
11
50
10
V_CC = 26 V
9
I_CQ = 250 mA
8 _{Gain (dB)}
45
Efficiency (%) ⁴⁰
35
30
25
7
2050
2100
2150
2200
20
2250
Frequency (MHz)
e
Symbol
V(_BR)CES
V(_BR)CER
V(_BR)EBO
h_FE
Min
55
55
3.5
30
Typ Max Units
—
—
Volts
—
—
Volts
4.0
—
Volts
40
—
—
Symbol Min
G_pe
7.5
P–1dB 35.0
η_C
—
Ψ
—
Typ Max Units
8.5
—
dB
—
—
Watts
40
—
%
—
5:1
—
Broadband Test Fixture Performance
10
60
Gain (dB)
8
6
4
50
Efficiency (%)
40
V_CC = 26 V
- 350
I_CQ = 85 mA
Pout = 35 W
-1250
Return Loss (dB) _-2150
2
2100
2120 2140 2160 2180
Frequency (MHz)
-305
2200
2
4/3/98