MC1648 Motorola, MC1648 Datasheet - Page 3

• Manufacturer Part Number: MC1648
• Description: Voltage Controlled Oscillator
• Manufacturer: Motorola

1. This measurement guarantees the dc potential at the bias point for purposes of incorporating a varactor tuning diode at this point.
2. Frequency variation over temperature is a direct function of the C/ Temperature and L/ Temperature.
HIPERCOMM
BR1334 — Rev 4
ELECTRICAL CHARACTERISTICS (Supply Voltage = –5.2V)
Symbol
I E
V OH
V OL
V BIAS 1
V P–P
Vdc
f max 2
Temperature
Temperature
@ Test
+25 C
+85 C
Power Supply Drain Current
Logic “1” Output Voltage
Logic “0” Output Voltage
Bias Voltage
Peak–to–Peak Tank Voltage
Output Duty Cycle
Oscillation Frequency
–30 C
Center Frequency = 100 MHz
B.W. = 10 kHz
Scan Width = 50 kHz/div
Vertical Scale = 10 dB/div
Characteristic
Note: SOIC “D” package guaranteed –30 C to +70 C only
MC1648
V IHmax
–3.35
–3.2
–3.5
TEST VOLTAGE/CURRENT VALUES
Figure 2. Spectral Purity of Signal Output for 200MHz Testing
V ILmin
(Volts)
–3.85
–3.7
–4.0
–1.045
Min
–1.89
–3.6
Min
–
–
–
–
–30 C
Typ
225
–
–
–0.815
–1.65
Max
–3.3
–
Max
–
–
–
V EE
–5.2
–5.2
–5.2
–0.96
–1.85
–3.75
Min
Min
200
–
–
–
L: Micro Metal torroid #T20–22, 8 turns #30 Enameled Copper wire.
+25 C
C = 3.0–35pF
* The 1200 ohm resistor and the scope termination impedance constitute a 25:1
3
0.1 F
attenuator probe. Coax shall be CT–075–50 or equivalent.
Typ
400
225
50
–0.75
–1.62
–3.45
Max
41
mAdc
–5.0
–5.0
–5.0
I L
Max
–
–
–
L
–0.89
–1.83
–3.9
Min
10
12
–
Min
–
–
–
+85 C
C
–1.575
–0.64
Typ
225
14
Max
–3.6
–
–
–
Max
–
–
–
mAdc
Unit
1
5
Vdc
Vdc
Vdc
MHz
Unit
mV
0.1 F
%
Inputs and outputs open
V ILmin to Pin 12, I L @ Pin 3
V IHmax to Pin 12, I L @ Pin 3
V ILmin to Pin 12
3
0.1 F
See Figure 3
1200*
Condition
Condition
SIGNAL
UNDER
10 F
TEST
MOTOROLA
MC1648
L=40nH
C=10pF
+5.0Vdc