V.C.O
HDM7080
3. Electrical Specification
Electrical Characteristics
Parameter
Min
Typ
Max
Units
Remarks
Operating Voltage ( Vcc )
Output Level
4.75
0
5.0
5.25
Vdc
dBm
mA
Vcc = 5.0 V
Vcc = 5.0 V
Current Consumption (Icc)
Tuning Sensitivity(avg.)
Tuning Voltage (Vt)
Oscillation Frequency
20
12.5
0.5
MHz/V Vt = 0.5 ~ 4.5V
Vdc
4.5
870
MHz
MHz
Vcc = 5.0V, Vt = 2.5V
Vcc = 5.0V, Vt = 2.5V
920
C/N ( @ 10KHz offset )
C/N ( @ 25 KHz offset )
C/N ( @ 100 KHz offset )
C/N ( @ 1 MHz offset )
Pushing Figure
–95
dBc / Hz Vcc = 5.0V
–105 dBc / Hz Vcc = 5.0V
–120
–135
±1000
–15
Vcc = 5.0V
Vcc = 5.0V
Vcc = 5.0V
Vcc = 5.0V
kHz
dBc
Ω
2’nd Harmonic
Load Impedance
50
Operating Temperature
–30
+85
℃
www.shoulder.cn Tel:0755-82916880 Fax:0755-82916881 E-mail:info@shoulder.cn
Page 4 of 5