MC12061
5
MOTOROLA RF/IF DEVICE DATA
All input and output cables to the scope
are equal lengths of 50
coaxial cable.
Unused outputs are connected to a 50
±
1% resistor to ground.
80%
50%
20%
50%
–200 mV
+200 mV
50%
80%
50%
20%
80%
20%
t–
t– –
t– –
t– +
t –
t+
t+–
t++
t+ +
t+
t+
Input (Pin 15)
TTL Output
(Pin 10)
MECL Output
(Pin 13)
MECL Output
(Pin 12)
16
11
13
450
12
450
10
1.2 k
400
+2.0
Vdc
8
9
CT
MMD6150
or Equiv
MMD7000
or Equiv
–3.0 Vdc
VEE = –3.0 Vdc
0.1
μ
F
0.1
μ
F
15
Pulse Generator
(EH 137 or Equiv)
PRF = 2.0 MHz
t+ = t– = 2.0
±
0.2 ns
14
VCC = +2.0 Vdc
Figure 6. AC Characteristics – MECL and TTL Outputs
t –
CT = 15 pF = total parasitic capacitance which
includes probe, wiring, and load capaci-
tance.
Characteristic
i i
i i
Symbol
b l
b l
Pin
Under
Test
Test Limits
TEST VOLTAGES
/
WAVEFORMS
APPLIED TO PINS LISTED BELOW:
G d
0
°
C
+25
°
C
+75
°
C
U i
P l
P l
2 0 Vd
3 0 Vd
Min Max Min Typ Max Min Max Unit Pulse In Pulse Out +2.0 Vdc –3.0 Vdc Gnd
Propagation Delay
t15+10+
t15–10–
t15+12–
t15–12+
t15+13+
t15–13–
t12+
t13+
10
10
12
12
13
13
—
—
—
—
—
—
22
19
5.2
5.0
4.8
5.0
—
—
—
—
—
—
17
12
4.3
3.7
4.0
4.0
25
18
5.5
5.2
5.0
5.0
—
—
—
—
—
—
27
18
5.8
5.2
5.2
5.1
ns
15
10
10
12
12
13
13
11,16
8,9
14
Rise Time
12
13
—
—
4.0
4.0
—
—
3.0
3.0
4.0
4.0
—
—
4.4
4.4
ns
ns
15
15
12
13
11,16
11,16
8,9
8,9
14
14
Fall Time
t12–
t13–
12
13
—
—
4.0
4.0
—
—
3.0
3.0
4.0
4.0
—
—
4.0
4.0
ns
ns
15
15
12
13
11,16
11,16
8,9
8,9
14
14
Characteristic
i i
Pin
Under
Test
+25
°
C
Min
U i
Unit
TEST VOLTAGE APPLIED
TO PINS LISTED BELOW
+2.0 Vdc
Typ
–3.0 Vdc
Sine Wave Amplitude
2
3
650
650
750
750
mVp-p
1
8,9
All output cables to the scope are equal lengths of 50
coaxial
cable. All unused cables must be terminated with a 50
±
1%
resistor to ground.
450
resistor and the scope termination impedance constitute
a 10:1 attenuator probe.
Crystal — Reeves Hoffman Series Mode,
Series Resistance Minimum at Fundamental
f = 10 MHz
RE = 5
*RS= 15 k
is inserted only for test purposes. When used
with the above specified crystal, it guarantees oscillation
with any crystal which has an equivalent series
resistance
155
Rp: will improve start up problems value: 200–500
6
5
8
9
3
2
450
450
0.1
μ
F
0.1
μ
F
VCC = +2.0 Vdc
1
4
VEE = –3.0 Vdc
0.1
μ
F
Crystal
0.1
μ
F
Rp
*RS
Figure 7. AC Test Circuit – Sine Wave Output