Alinco DR-135, Service Manual

Page: 24 / 71

24
12)
µµµµµ
PC2710T (XA0449)
1000p
1000p
1000p
50
50
2, 3, 5
1
4
6
L: 20.5T. 2mml.D.
0.25UEW
IN OUT
Vcc
GND
GND
Input
Output
GND
Vcc
Top View
Test Circuit
RF Amplifier
Parameter Symbol Condition Ratings Unit
Supply voltage Vcc 5.0 V
Circuit current Icc Vcc=5V, no signa 22 mA
Power gain GP Vcc=5V, f=500MHz 33 dB
Staturated output power Po(sat) Vcc=5V, f=500MHz, Pin=-8dBm +13.5 dBm
Noise figure NF Vcc=5V, f=500MHz 3.5 dB
Upper frequency (-3dB) fu Vcc=5V, Reference freq. =100MHz 1000 MHz
Isolation ISL Vcc=5V, f=500MHz 39 dB
Input return loss RL in Vcc=5V, f=500MHz 6 dB
Output return loss RL out Vcc=5V, f=500MHz 12 dB
Gain flatness Gp Vcc=5V, f=0.1~0.6GHz 0.8 dB
13) NJM2902 (XA0596)
1. A OUTPUT 8. C OUTPUT
2. A INPUT 9. C INPUT
3. A INPUT 10. C INPUT
4. V 11. GND
5. B INPUT 12. D INPUT
6. B INPUT 13. D INPUT
7. B OUTPUT 14. D OUTPUT
Pin Assignment