
MRF581 MRF5812R1, R2
2MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage MRF581
(IC = 1.0 mAdc, IB = 0) V(BR)CEO 18
15 —
——
—Vdc
Collector–Emitter Breakdown Voltage MRF5812
(IC = 5.0 mAdc, IB = 0) V(BR)CEO 15 — — Vdc
Collector–Emitter Breakdown Voltage MRF5812
(IC = 5.0 mAdc, VBE = 0) V(BR)CES 30 — — Vdc
Collector–Base Breakdown Voltage MRF581
(IC = 1.0 mAdc, IE = 0) V(BR)CBO 36
30 —
——
—Vdc
Emitter–Base Breakdown Voltage MRF581
(IE = 0.1 mAdc, IC = 0) MRF5812 V(BR)EBO 2.5 — — Vdc
Emitter Cutoff Current MRF581
(VEB = 2.0 Vdc, VBE = 0) IEBO — — 100 µAdc
Collector Cutoff Current MRF581
(VCB = 15 Vdc, IE = 0) ICBO — — 100 µAdc
Collector Cutoff Current MRF5812
(VCB = 15 Vdc, VBE = 0, TC = 25°C) ICBO — — 0.1 mAdc
ON CHARACTERISTICS
DC Current Gain (1) MRF581
(IC = 50 mAdc, VCE = 5.0 Vdc) hFE 50 — 200 —
DC Current Gain (1) MRF5812
(IC = 50 mAdc, VCE = 5.0 Vdc) hFE 30 90 200 —
DYNAMIC CHARACTERISTICS
Collector–Base Capacitance MRF581
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz) Cob —1.4 2.0 pF
Collector–Base Capacitance MRF5812
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz) Ccb —1.2 2.0 pF
Current–Gain Bandwidth Product MRF581
(IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz) fT— 5.0 — GHz
Current–Gain — Bandwidth Product MRF5812
(IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz) fT— 5.5 — GHz
FUNCTIONAL TESTS
Noise Figure (Minimum) (Figure 11) MRF581
(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz) NFmin —2.0 3.0 dB
Noise Figure (Minimum) (Figure 11) MRF5812
(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz) NFmin —2.0 — dB
Noise Figure (50 Ohm Insertion) MRF5812
(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz) NF50 Ω—2.5 3.0 dB
Power Gain at Optimum Noise Figure MRF581
(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz) GNF 13 15.5 — dB
Insertion Gain MRF5812
(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz) |S21|213 15.5 — dB
Maximum Unilateral Gain
(IC = 75 mAdc, VCE = 10 Vdc, f = 0.5 GHz) GUmax(2) — 17 — dB
Intermodulation Distortion (3)
(VCE = 10 V, IC = 75 mA, Vout = +50 dBmV) IMD(d3) — –65 — dB
NOTE:
1. 300 µs pulse on Tektronix 576 or equivalent.
2. GUmax =
3. 2 Tones, f1 = 497 MHz, f2 = 503 MHz, 3rd Order Single Tone reference.
|S21|2
(1
–
|S11|2)(1
–
|S22|2)